Home / 75,332.20-103,961.68-45,111.76

Finding the Fourth Proportional to 75,332.20, 103,961.68 and 45,111.76

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Solution

The fourth proportional to 75,332.20, 103,961.68 and 45,111.76 is: 62,256.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,332.20 : 103,961.68 = 45,111.76 : x
  2. Step 2: Convert to fraction form
    75,332.20/103,961.68 = 45,111.76/x
  3. Step 3: Cross multiply
    75,332.20x = 103,961.68 × 45,111.76
  4. Step 4: Simplify right side
    75,332.20x = 4,689,894,357.36
  5. Step 5: Solve for x
    x = 4,689,894,357.36/75,332.20
  6. Step 6: Final answer
    x = 62,256.17

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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.