Home / 124,759.83-187,166.01-40,513.40

Finding the Fourth Proportional to 124,759.83, 187,166.01 and 40,513.40

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Solution

The fourth proportional to 124,759.83, 187,166.01 and 40,513.40 is: 60,778.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,759.83 : 187,166.01 = 40,513.40 : x
  2. Step 2: Convert to fraction form
    124,759.83/187,166.01 = 40,513.40/x
  3. Step 3: Cross multiply
    124,759.83x = 187,166.01 × 40,513.40
  4. Step 4: Simplify right side
    124,759.83x = 7,582,730,493.70
  5. Step 5: Solve for x
    x = 7,582,730,493.70/124,759.83
  6. Step 6: Final answer
    x = 60,778.62

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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.