Home / 81,094.11-111,909.65-45,284.15

Finding the Fourth Proportional to 81,094.11, 111,909.65 and 45,284.15

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Solution

The fourth proportional to 81,094.11, 111,909.65 and 45,284.15 is: 62,491.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,094.11 : 111,909.65 = 45,284.15 : x
  2. Step 2: Convert to fraction form
    81,094.11/111,909.65 = 45,284.15/x
  3. Step 3: Cross multiply
    81,094.11x = 111,909.65 × 45,284.15
  4. Step 4: Simplify right side
    81,094.11x = 5,067,732,591.08
  5. Step 5: Solve for x
    x = 5,067,732,591.08/81,094.11
  6. Step 6: Final answer
    x = 62,491.99

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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.