Home / 57,350.09-79,140.56-31,858.22

Finding the Fourth Proportional to 57,350.09, 79,140.56 and 31,858.22

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Solution

The fourth proportional to 57,350.09, 79,140.56 and 31,858.22 is: 43,962.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,350.09 : 79,140.56 = 31,858.22 : x
  2. Step 2: Convert to fraction form
    57,350.09/79,140.56 = 31,858.22/x
  3. Step 3: Cross multiply
    57,350.09x = 79,140.56 × 31,858.22
  4. Step 4: Simplify right side
    57,350.09x = 2,521,277,371.40
  5. Step 5: Solve for x
    x = 2,521,277,371.40/57,350.09
  6. Step 6: Final answer
    x = 43,962.92

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.