Home / 57,343.32-79,140.78-36,122.22

Finding the Fourth Proportional to 57,343.32, 79,140.78 and 36,122.22

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Solution

The fourth proportional to 57,343.32, 79,140.78 and 36,122.22 is: 49,853.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,343.32 : 79,140.78 = 36,122.22 : x
  2. Step 2: Convert to fraction form
    57,343.32/79,140.78 = 36,122.22/x
  3. Step 3: Cross multiply
    57,343.32x = 79,140.78 × 36,122.22
  4. Step 4: Simplify right side
    57,343.32x = 2,858,740,666.13
  5. Step 5: Solve for x
    x = 2,858,740,666.13/57,343.32
  6. Step 6: Final answer
    x = 49,853.07

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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.