Home / 110,257.55-152,155.43-62,510.90

Finding the Fourth Proportional to 110,257.55, 152,155.43 and 62,510.90

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Solution

The fourth proportional to 110,257.55, 152,155.43 and 62,510.90 is: 86,265.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,257.55 : 152,155.43 = 62,510.90 : x
  2. Step 2: Convert to fraction form
    110,257.55/152,155.43 = 62,510.90/x
  3. Step 3: Cross multiply
    110,257.55x = 152,155.43 × 62,510.90
  4. Step 4: Simplify right side
    110,257.55x = 9,511,372,869.19
  5. Step 5: Solve for x
    x = 9,511,372,869.19/110,257.55
  6. Step 6: Final answer
    x = 86,265.05

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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.