Home / 95,146.16-142,937.88-67,130.72

Finding the Fourth Proportional to 95,146.16, 142,937.88 and 67,130.72

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Solution

The fourth proportional to 95,146.16, 142,937.88 and 67,130.72 is: 100,850.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,146.16 : 142,937.88 = 67,130.72 : x
  2. Step 2: Convert to fraction form
    95,146.16/142,937.88 = 67,130.72/x
  3. Step 3: Cross multiply
    95,146.16x = 142,937.88 × 67,130.72
  4. Step 4: Simplify right side
    95,146.16x = 9,595,522,799.67
  5. Step 5: Solve for x
    x = 9,595,522,799.67/95,146.16
  6. Step 6: Final answer
    x = 100,850.34

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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.