Home / 69,386.30-95,754.84-42,543.61

Finding the Fourth Proportional to 69,386.30, 95,754.84 and 42,543.61

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Solution

The fourth proportional to 69,386.30, 95,754.84 and 42,543.61 is: 58,711.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,386.30 : 95,754.84 = 42,543.61 : x
  2. Step 2: Convert to fraction form
    69,386.30/95,754.84 = 42,543.61/x
  3. Step 3: Cross multiply
    69,386.30x = 95,754.84 × 42,543.61
  4. Step 4: Simplify right side
    69,386.30x = 4,073,756,329.19
  5. Step 5: Solve for x
    x = 4,073,756,329.19/69,386.30
  6. Step 6: Final answer
    x = 58,711.25

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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.