Home / 62,120.38-85,723.78-37,961.74

Finding the Fourth Proportional to 62,120.38, 85,723.78 and 37,961.74

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Solution

The fourth proportional to 62,120.38, 85,723.78 and 37,961.74 is: 52,385.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,120.38 : 85,723.78 = 37,961.74 : x
  2. Step 2: Convert to fraction form
    62,120.38/85,723.78 = 37,961.74/x
  3. Step 3: Cross multiply
    62,120.38x = 85,723.78 × 37,961.74
  4. Step 4: Simplify right side
    62,120.38x = 3,254,223,848.18
  5. Step 5: Solve for x
    x = 3,254,223,848.18/62,120.38
  6. Step 6: Final answer
    x = 52,385.77

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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.