Home / 95,420.16-142,974.72-75,591.36

Finding the Fourth Proportional to 95,420.16, 142,974.72 and 75,591.36

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Solution

The fourth proportional to 95,420.16, 142,974.72 and 75,591.36 is: 113,263.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,420.16 : 142,974.72 = 75,591.36 : x
  2. Step 2: Convert to fraction form
    95,420.16/142,974.72 = 75,591.36/x
  3. Step 3: Cross multiply
    95,420.16x = 142,974.72 × 75,591.36
  4. Step 4: Simplify right side
    95,420.16x = 10,807,653,530.42
  5. Step 5: Solve for x
    x = 10,807,653,530.42/95,420.16
  6. Step 6: Final answer
    x = 113,263.84

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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.