Home / 75,292.60-103,832.52-45,073.12

Finding the Fourth Proportional to 75,292.60, 103,832.52 and 45,073.12

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Solution

The fourth proportional to 75,292.60, 103,832.52 and 45,073.12 is: 62,158.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,292.60 : 103,832.52 = 45,073.12 : x
  2. Step 2: Convert to fraction form
    75,292.60/103,832.52 = 45,073.12/x
  3. Step 3: Cross multiply
    75,292.60x = 103,832.52 × 45,073.12
  4. Step 4: Simplify right side
    75,292.60x = 4,680,055,633.86
  5. Step 5: Solve for x
    x = 4,680,055,633.86/75,292.60
  6. Step 6: Final answer
    x = 62,158.24

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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.