Home / 88,686.56-122,390.06-48,402.90

Finding the Fourth Proportional to 88,686.56, 122,390.06 and 48,402.90

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Solution

The fourth proportional to 88,686.56, 122,390.06 and 48,402.90 is: 66,797.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,686.56 : 122,390.06 = 48,402.90 : x
  2. Step 2: Convert to fraction form
    88,686.56/122,390.06 = 48,402.90/x
  3. Step 3: Cross multiply
    88,686.56x = 122,390.06 × 48,402.90
  4. Step 4: Simplify right side
    88,686.56x = 5,924,033,593.16
  5. Step 5: Solve for x
    x = 5,924,033,593.16/88,686.56
  6. Step 6: Final answer
    x = 66,797.42

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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.