Home / 80,511.13-111,108.83-44,701.14

Finding the Fourth Proportional to 80,511.13, 111,108.83 and 44,701.14

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Solution

The fourth proportional to 80,511.13, 111,108.83 and 44,701.14 is: 61,689.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,511.13 : 111,108.83 = 44,701.14 : x
  2. Step 2: Convert to fraction form
    80,511.13/111,108.83 = 44,701.14/x
  3. Step 3: Cross multiply
    80,511.13x = 111,108.83 × 44,701.14
  4. Step 4: Simplify right side
    80,511.13x = 4,966,691,365.07
  5. Step 5: Solve for x
    x = 4,966,691,365.07/80,511.13
  6. Step 6: Final answer
    x = 61,689.50

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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.