Home / 75,581.48-113,368.10-22,986.86

Finding the Fourth Proportional to 75,581.48, 113,368.10 and 22,986.86

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Solution

The fourth proportional to 75,581.48, 113,368.10 and 22,986.86 is: 34,479.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,581.48 : 113,368.10 = 22,986.86 : x
  2. Step 2: Convert to fraction form
    75,581.48/113,368.10 = 22,986.86/x
  3. Step 3: Cross multiply
    75,581.48x = 113,368.10 × 22,986.86
  4. Step 4: Simplify right side
    75,581.48x = 2,605,976,643.17
  5. Step 5: Solve for x
    x = 2,605,976,643.17/75,581.48
  6. Step 6: Final answer
    x = 34,479.04

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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.