Home / 75,286.12-112,934.64-22,699.69

Finding the Fourth Proportional to 75,286.12, 112,934.64 and 22,699.69

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Solution

The fourth proportional to 75,286.12, 112,934.64 and 22,699.69 is: 34,051.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,286.12 : 112,934.64 = 22,699.69 : x
  2. Step 2: Convert to fraction form
    75,286.12/112,934.64 = 22,699.69/x
  3. Step 3: Cross multiply
    75,286.12x = 112,934.64 × 22,699.69
  4. Step 4: Simplify right side
    75,286.12x = 2,563,581,318.26
  5. Step 5: Solve for x
    x = 2,563,581,318.26/75,286.12
  6. Step 6: Final answer
    x = 34,051.18

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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.