Home / 123,023.58-169,772.92-71,350.70

Finding the Fourth Proportional to 123,023.58, 169,772.92 and 71,350.70

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Solution

The fourth proportional to 123,023.58, 169,772.92 and 71,350.70 is: 98,464.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,023.58 : 169,772.92 = 71,350.70 : x
  2. Step 2: Convert to fraction form
    123,023.58/169,772.92 = 71,350.70/x
  3. Step 3: Cross multiply
    123,023.58x = 169,772.92 × 71,350.70
  4. Step 4: Simplify right side
    123,023.58x = 12,113,416,683.04
  5. Step 5: Solve for x
    x = 12,113,416,683.04/123,023.58
  6. Step 6: Final answer
    x = 98,464.19

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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.