Home / 81,336.52-112,249.38-45,528.76

Finding the Fourth Proportional to 81,336.52, 112,249.38 and 45,528.76

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Solution

The fourth proportional to 81,336.52, 112,249.38 and 45,528.76 is: 62,832.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,336.52 : 112,249.38 = 45,528.76 : x
  2. Step 2: Convert to fraction form
    81,336.52/112,249.38 = 45,528.76/x
  3. Step 3: Cross multiply
    81,336.52x = 112,249.38 × 45,528.76
  4. Step 4: Simplify right side
    81,336.52x = 5,110,575,082.17
  5. Step 5: Solve for x
    x = 5,110,575,082.17/81,336.52
  6. Step 6: Final answer
    x = 62,832.48

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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.