Home / 81,562.05-112,555.76-45,751.95

Finding the Fourth Proportional to 81,562.05, 112,555.76 and 45,751.95

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Solution

The fourth proportional to 81,562.05, 112,555.76 and 45,751.95 is: 63,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,562.05 : 112,555.76 = 45,751.95 : x
  2. Step 2: Convert to fraction form
    81,562.05/112,555.76 = 45,751.95/x
  3. Step 3: Cross multiply
    81,562.05x = 112,555.76 × 45,751.95
  4. Step 4: Simplify right side
    81,562.05x = 5,149,645,503.73
  5. Step 5: Solve for x
    x = 5,149,645,503.73/81,562.05
  6. Step 6: Final answer
    x = 63,137.76

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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.