Home / 42,481.60-63,722.40-35,569.60

Finding the Fourth Proportional to 42,481.60, 63,722.40 and 35,569.60

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Solution

The fourth proportional to 42,481.60, 63,722.40 and 35,569.60 is: 53,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,481.60 : 63,722.40 = 35,569.60 : x
  2. Step 2: Convert to fraction form
    42,481.60/63,722.40 = 35,569.60/x
  3. Step 3: Cross multiply
    42,481.60x = 63,722.40 × 35,569.60
  4. Step 4: Simplify right side
    42,481.60x = 2,266,580,279.04
  5. Step 5: Solve for x
    x = 2,266,580,279.04/42,481.60
  6. Step 6: Final answer
    x = 53,354.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.