Home / 94,143.27-129,918.56-51,702.11

Finding the Fourth Proportional to 94,143.27, 129,918.56 and 51,702.11

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Solution

The fourth proportional to 94,143.27, 129,918.56 and 51,702.11 is: 71,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,143.27 : 129,918.56 = 51,702.11 : x
  2. Step 2: Convert to fraction form
    94,143.27/129,918.56 = 51,702.11/x
  3. Step 3: Cross multiply
    94,143.27x = 129,918.56 × 51,702.11
  4. Step 4: Simplify right side
    94,143.27x = 6,717,062,772.06
  5. Step 5: Solve for x
    x = 6,717,062,772.06/94,143.27
  6. Step 6: Final answer
    x = 71,349.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.