Home / 70,003.40-96,605.15-38,172.83

Finding the Fourth Proportional to 70,003.40, 96,605.15 and 38,172.83

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Solution

The fourth proportional to 70,003.40, 96,605.15 and 38,172.83 is: 52,678.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,003.40 : 96,605.15 = 38,172.83 : x
  2. Step 2: Convert to fraction form
    70,003.40/96,605.15 = 38,172.83/x
  3. Step 3: Cross multiply
    70,003.40x = 96,605.15 × 38,172.83
  4. Step 4: Simplify right side
    70,003.40x = 3,687,691,294.18
  5. Step 5: Solve for x
    x = 3,687,691,294.18/70,003.40
  6. Step 6: Final answer
    x = 52,678.75

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1.5x scale

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.