Home / 124,759.60-187,140.21-49,886.04

Finding the Fourth Proportional to 124,759.60, 187,140.21 and 49,886.04

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Solution

The fourth proportional to 124,759.60, 187,140.21 and 49,886.04 is: 74,829.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,759.60 : 187,140.21 = 49,886.04 : x
  2. Step 2: Convert to fraction form
    124,759.60/187,140.21 = 49,886.04/x
  3. Step 3: Cross multiply
    124,759.60x = 187,140.21 × 49,886.04
  4. Step 4: Simplify right side
    124,759.60x = 9,335,683,424.61
  5. Step 5: Solve for x
    x = 9,335,683,424.61/124,759.60
  6. Step 6: Final answer
    x = 74,829.38

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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.