Home / 124,927.52-187,379.12-68,749.16

Finding the Fourth Proportional to 124,927.52, 187,379.12 and 68,749.16

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Solution

The fourth proportional to 124,927.52, 187,379.12 and 68,749.16 is: 103,117.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,927.52 : 187,379.12 = 68,749.16 : x
  2. Step 2: Convert to fraction form
    124,927.52/187,379.12 = 68,749.16/x
  3. Step 3: Cross multiply
    124,927.52x = 187,379.12 × 68,749.16
  4. Step 4: Simplify right side
    124,927.52x = 12,882,155,820.90
  5. Step 5: Solve for x
    x = 12,882,155,820.90/124,927.52
  6. Step 6: Final answer
    x = 103,117.04

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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.