Home / 99,522.64-137,338.44-54,199.60

Finding the Fourth Proportional to 99,522.64, 137,338.44 and 54,199.60

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Solution

The fourth proportional to 99,522.64, 137,338.44 and 54,199.60 is: 74,793.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,522.64 : 137,338.44 = 54,199.60 : x
  2. Step 2: Convert to fraction form
    99,522.64/137,338.44 = 54,199.60/x
  3. Step 3: Cross multiply
    99,522.64x = 137,338.44 × 54,199.60
  4. Step 4: Simplify right side
    99,522.64x = 7,443,688,512.62
  5. Step 5: Solve for x
    x = 7,443,688,512.62/99,522.64
  6. Step 6: Final answer
    x = 74,793.92

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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.