Home / 80,841.88-111,547.02-45,030.97

Finding the Fourth Proportional to 80,841.88, 111,547.02 and 45,030.97

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Solution

The fourth proportional to 80,841.88, 111,547.02 and 45,030.97 is: 62,134.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,841.88 : 111,547.02 = 45,030.97 : x
  2. Step 2: Convert to fraction form
    80,841.88/111,547.02 = 45,030.97/x
  3. Step 3: Cross multiply
    80,841.88x = 111,547.02 × 45,030.97
  4. Step 4: Simplify right side
    80,841.88x = 5,023,070,511.21
  5. Step 5: Solve for x
    x = 5,023,070,511.21/80,841.88
  6. Step 6: Final answer
    x = 62,134.51

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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.