Home / 124,702.12-187,010.65-35,931.79

Finding the Fourth Proportional to 124,702.12, 187,010.65 and 35,931.79

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Solution

The fourth proportional to 124,702.12, 187,010.65 and 35,931.79 is: 53,885.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,702.12 : 187,010.65 = 35,931.79 : x
  2. Step 2: Convert to fraction form
    124,702.12/187,010.65 = 35,931.79/x
  3. Step 3: Cross multiply
    124,702.12x = 187,010.65 × 35,931.79
  4. Step 4: Simplify right side
    124,702.12x = 6,719,627,403.56
  5. Step 5: Solve for x
    x = 6,719,627,403.56/124,702.12
  6. Step 6: Final answer
    x = 53,885.43

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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.