Home / 101,984.16-152,953.14-38,781.76

Finding the Fourth Proportional to 101,984.16, 152,953.14 and 38,781.76

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Solution

The fourth proportional to 101,984.16, 152,953.14 and 38,781.76 is: 58,163.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,984.16 : 152,953.14 = 38,781.76 : x
  2. Step 2: Convert to fraction form
    101,984.16/152,953.14 = 38,781.76/x
  3. Step 3: Cross multiply
    101,984.16x = 152,953.14 × 38,781.76
  4. Step 4: Simplify right side
    101,984.16x = 5,931,791,966.73
  5. Step 5: Solve for x
    x = 5,931,791,966.73/101,984.16
  6. Step 6: Final answer
    x = 58,163.86

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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.