Home / 104,419.60-156,629.40-62,947.60

Finding the Fourth Proportional to 104,419.60, 156,629.40 and 62,947.60

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Solution

The fourth proportional to 104,419.60, 156,629.40 and 62,947.60 is: 94,421.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,419.60 : 156,629.40 = 62,947.60 : x
  2. Step 2: Convert to fraction form
    104,419.60/156,629.40 = 62,947.60/x
  3. Step 3: Cross multiply
    104,419.60x = 156,629.40 × 62,947.60
  4. Step 4: Simplify right side
    104,419.60x = 9,859,444,819.44
  5. Step 5: Solve for x
    x = 9,859,444,819.44/104,419.60
  6. Step 6: Final answer
    x = 94,421.40

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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.