Home / 74,761.55-112,191.39-35,322.65

Finding the Fourth Proportional to 74,761.55, 112,191.39 and 35,322.65

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Solution

The fourth proportional to 74,761.55, 112,191.39 and 35,322.65 is: 53,007.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,761.55 : 112,191.39 = 35,322.65 : x
  2. Step 2: Convert to fraction form
    74,761.55/112,191.39 = 35,322.65/x
  3. Step 3: Cross multiply
    74,761.55x = 112,191.39 × 35,322.65
  4. Step 4: Simplify right side
    74,761.55x = 3,962,896,641.03
  5. Step 5: Solve for x
    x = 3,962,896,641.03/74,761.55
  6. Step 6: Final answer
    x = 53,007.15

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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.