Home / 124,702.90-187,071.28-40,435.58

Finding the Fourth Proportional to 124,702.90, 187,071.28 and 40,435.58

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Solution

The fourth proportional to 124,702.90, 187,071.28 and 40,435.58 is: 60,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,702.90 : 187,071.28 = 40,435.58 : x
  2. Step 2: Convert to fraction form
    124,702.90/187,071.28 = 40,435.58/x
  3. Step 3: Cross multiply
    124,702.90x = 187,071.28 × 40,435.58
  4. Step 4: Simplify right side
    124,702.90x = 7,564,335,708.14
  5. Step 5: Solve for x
    x = 7,564,335,708.14/124,702.90
  6. Step 6: Final answer
    x = 60,658.86

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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.