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Finding the Fourth Proportional to 88,507.44, 122,140.32 and 48,763.44

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Solution

The fourth proportional to 88,507.44, 122,140.32 and 48,763.44 is: 67,293.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,507.44 : 122,140.32 = 48,763.44 : x
  2. Step 2: Convert to fraction form
    88,507.44/122,140.32 = 48,763.44/x
  3. Step 3: Cross multiply
    88,507.44x = 122,140.32 × 48,763.44
  4. Step 4: Simplify right side
    88,507.44x = 5,955,982,165.90
  5. Step 5: Solve for x
    x = 5,955,982,165.90/88,507.44
  6. Step 6: Final answer
    x = 67,293.58

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1.5x scale

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.