Home / 69,899.16-96,463.57-39,687.29

Finding the Fourth Proportional to 69,899.16, 96,463.57 and 39,687.29

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Solution

The fourth proportional to 69,899.16, 96,463.57 and 39,687.29 is: 54,770.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,899.16 : 96,463.57 = 39,687.29 : x
  2. Step 2: Convert to fraction form
    69,899.16/96,463.57 = 39,687.29/x
  3. Step 3: Cross multiply
    69,899.16x = 96,463.57 × 39,687.29
  4. Step 4: Simplify right side
    69,899.16x = 3,828,377,677.03
  5. Step 5: Solve for x
    x = 3,828,377,677.03/69,899.16
  6. Step 6: Final answer
    x = 54,770.01

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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.