Home / 110,654.42-152,702.38-62,907.78

Finding the Fourth Proportional to 110,654.42, 152,702.38 and 62,907.78

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Solution

The fourth proportional to 110,654.42, 152,702.38 and 62,907.78 is: 86,812.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,654.42 : 152,702.38 = 62,907.78 : x
  2. Step 2: Convert to fraction form
    110,654.42/152,702.38 = 62,907.78/x
  3. Step 3: Cross multiply
    110,654.42x = 152,702.38 × 62,907.78
  4. Step 4: Simplify right side
    110,654.42x = 9,606,167,726.52
  5. Step 5: Solve for x
    x = 9,606,167,726.52/110,654.42
  6. Step 6: Final answer
    x = 86,812.33

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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.