Home / 88,489.38-122,115.51-52,680.63

Finding the Fourth Proportional to 88,489.38, 122,115.51 and 52,680.63

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Solution

The fourth proportional to 88,489.38, 122,115.51 and 52,680.63 is: 72,699.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,489.38 : 122,115.51 = 52,680.63 : x
  2. Step 2: Convert to fraction form
    88,489.38/122,115.51 = 52,680.63/x
  3. Step 3: Cross multiply
    88,489.38x = 122,115.51 × 52,680.63
  4. Step 4: Simplify right side
    88,489.38x = 6,433,121,999.57
  5. Step 5: Solve for x
    x = 6,433,121,999.57/88,489.38
  6. Step 6: Final answer
    x = 72,699.37

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Double scale
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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.