Home / 127,392.24-175,817.88-77,092.08

Finding the Fourth Proportional to 127,392.24, 175,817.88 and 77,092.08

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Solution

The fourth proportional to 127,392.24, 175,817.88 and 77,092.08 is: 106,397.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,392.24 : 175,817.88 = 77,092.08 : x
  2. Step 2: Convert to fraction form
    127,392.24/175,817.88 = 77,092.08/x
  3. Step 3: Cross multiply
    127,392.24x = 175,817.88 × 77,092.08
  4. Step 4: Simplify right side
    127,392.24x = 13,554,166,070.39
  5. Step 5: Solve for x
    x = 13,554,166,070.39/127,392.24
  6. Step 6: Final answer
    x = 106,397.11

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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.