Home / 57,344.36-79,140.19-31,855.68

Finding the Fourth Proportional to 57,344.36, 79,140.19 and 31,855.68

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Solution

The fourth proportional to 57,344.36, 79,140.19 and 31,855.68 is: 43,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,344.36 : 79,140.19 = 31,855.68 : x
  2. Step 2: Convert to fraction form
    57,344.36/79,140.19 = 31,855.68/x
  3. Step 3: Cross multiply
    57,344.36x = 79,140.19 × 31,855.68
  4. Step 4: Simplify right side
    57,344.36x = 2,521,064,547.87
  5. Step 5: Solve for x
    x = 2,521,064,547.87/57,344.36
  6. Step 6: Final answer
    x = 43,963.60

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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.