Home / 75,146.60-103,691.46-41,612.52

Finding the Fourth Proportional to 75,146.60, 103,691.46 and 41,612.52

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Solution

The fourth proportional to 75,146.60, 103,691.46 and 41,612.52 is: 57,419.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,146.60 : 103,691.46 = 41,612.52 : x
  2. Step 2: Convert to fraction form
    75,146.60/103,691.46 = 41,612.52/x
  3. Step 3: Cross multiply
    75,146.60x = 103,691.46 × 41,612.52
  4. Step 4: Simplify right side
    75,146.60x = 4,314,862,953.08
  5. Step 5: Solve for x
    x = 4,314,862,953.08/75,146.60
  6. Step 6: Final answer
    x = 57,419.27

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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.