Home / 110,862.55-152,990.46-63,115.90

Finding the Fourth Proportional to 110,862.55, 152,990.46 and 63,115.90

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Solution

The fourth proportional to 110,862.55, 152,990.46 and 63,115.90 is: 87,100.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,862.55 : 152,990.46 = 63,115.90 : x
  2. Step 2: Convert to fraction form
    110,862.55/152,990.46 = 63,115.90/x
  3. Step 3: Cross multiply
    110,862.55x = 152,990.46 × 63,115.90
  4. Step 4: Simplify right side
    110,862.55x = 9,656,130,191.84
  5. Step 5: Solve for x
    x = 9,656,130,191.84/110,862.55
  6. Step 6: Final answer
    x = 87,100.02

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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.