Home / 69,966.80-96,551.32-38,135

Finding the Fourth Proportional to 69,966.80, 96,551.32 and 38,135

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Solution

The fourth proportional to 69,966.80, 96,551.32 and 38,135 is: 52,624.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,966.80 : 96,551.32 = 38,135 : x
  2. Step 2: Convert to fraction form
    69,966.80/96,551.32 = 38,135/x
  3. Step 3: Cross multiply
    69,966.80x = 96,551.32 × 38,135
  4. Step 4: Simplify right side
    69,966.80x = 3,681,984,588.20
  5. Step 5: Solve for x
    x = 3,681,984,588.20/69,966.80
  6. Step 6: Final answer
    x = 52,624.74

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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.