Home / 70,061.13-96,686.69-38,231.77

Finding the Fourth Proportional to 70,061.13, 96,686.69 and 38,231.77

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Solution

The fourth proportional to 70,061.13, 96,686.69 and 38,231.77 is: 52,761.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,061.13 : 96,686.69 = 38,231.77 : x
  2. Step 2: Convert to fraction form
    70,061.13/96,686.69 = 38,231.77/x
  3. Step 3: Cross multiply
    70,061.13x = 96,686.69 × 38,231.77
  4. Step 4: Simplify right side
    70,061.13x = 3,696,503,294.14
  5. Step 5: Solve for x
    x = 3,696,503,294.14/70,061.13
  6. Step 6: Final answer
    x = 52,761.11

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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.