Home / 82,732.40-124,133.58-45,248.70

Finding the Fourth Proportional to 82,732.40, 124,133.58 and 45,248.70

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Solution

The fourth proportional to 82,732.40, 124,133.58 and 45,248.70 is: 67,892.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,732.40 : 124,133.58 = 45,248.70 : x
  2. Step 2: Convert to fraction form
    82,732.40/124,133.58 = 45,248.70/x
  3. Step 3: Cross multiply
    82,732.40x = 124,133.58 × 45,248.70
  4. Step 4: Simplify right side
    82,732.40x = 5,616,883,121.35
  5. Step 5: Solve for x
    x = 5,616,883,121.35/82,732.40
  6. Step 6: Final answer
    x = 67,892.19

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1.5x scale

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.