Home / 67,932.16-93,752.34-39,646.96

Finding the Fourth Proportional to 67,932.16, 93,752.34 and 39,646.96

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Solution

The fourth proportional to 67,932.16, 93,752.34 and 39,646.96 is: 54,716.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,932.16 : 93,752.34 = 39,646.96 : x
  2. Step 2: Convert to fraction form
    67,932.16/93,752.34 = 39,646.96/x
  3. Step 3: Cross multiply
    67,932.16x = 93,752.34 × 39,646.96
  4. Step 4: Simplify right side
    67,932.16x = 3,716,995,273.89
  5. Step 5: Solve for x
    x = 3,716,995,273.89/67,932.16
  6. Step 6: Final answer
    x = 54,716.28

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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.