Home / 81,363.18-112,275.87-45,552.86

Finding the Fourth Proportional to 81,363.18, 112,275.87 and 45,552.86

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Solution

The fourth proportional to 81,363.18, 112,275.87 and 45,552.86 is: 62,859.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,363.18 : 112,275.87 = 45,552.86 : x
  2. Step 2: Convert to fraction form
    81,363.18/112,275.87 = 45,552.86/x
  3. Step 3: Cross multiply
    81,363.18x = 112,275.87 × 45,552.86
  4. Step 4: Simplify right side
    81,363.18x = 5,114,486,987.49
  5. Step 5: Solve for x
    x = 5,114,486,987.49/81,363.18
  6. Step 6: Final answer
    x = 62,859.97

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1.5x scale

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.