Home / 83,777.76-125,496.90-38,735.10

Finding the Fourth Proportional to 83,777.76, 125,496.90 and 38,735.10

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Solution

The fourth proportional to 83,777.76, 125,496.90 and 38,735.10 is: 58,024.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,777.76 : 125,496.90 = 38,735.10 : x
  2. Step 2: Convert to fraction form
    83,777.76/125,496.90 = 38,735.10/x
  3. Step 3: Cross multiply
    83,777.76x = 125,496.90 × 38,735.10
  4. Step 4: Simplify right side
    83,777.76x = 4,861,134,971.19
  5. Step 5: Solve for x
    x = 4,861,134,971.19/83,777.76
  6. Step 6: Final answer
    x = 58,024.17

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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.