Home / 71,512.05-107,172.54-37,709.13

Finding the Fourth Proportional to 71,512.05, 107,172.54 and 37,709.13

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Solution

The fourth proportional to 71,512.05, 107,172.54 and 37,709.13 is: 56,513.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,512.05 : 107,172.54 = 37,709.13 : x
  2. Step 2: Convert to fraction form
    71,512.05/107,172.54 = 37,709.13/x
  3. Step 3: Cross multiply
    71,512.05x = 107,172.54 × 37,709.13
  4. Step 4: Simplify right side
    71,512.05x = 4,041,383,243.29
  5. Step 5: Solve for x
    x = 4,041,383,243.29/71,512.05
  6. Step 6: Final answer
    x = 56,513.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.