Home / 97,201.60-134,135.28-54,759.20

Finding the Fourth Proportional to 97,201.60, 134,135.28 and 54,759.20

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Solution

The fourth proportional to 97,201.60, 134,135.28 and 54,759.20 is: 75,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,201.60 : 134,135.28 = 54,759.20 : x
  2. Step 2: Convert to fraction form
    97,201.60/134,135.28 = 54,759.20/x
  3. Step 3: Cross multiply
    97,201.60x = 134,135.28 × 54,759.20
  4. Step 4: Simplify right side
    97,201.60x = 7,345,140,624.58
  5. Step 5: Solve for x
    x = 7,345,140,624.58/97,201.60
  6. Step 6: Final answer
    x = 75,566.05

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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.