Home / 89,937.31-124,113.66-49,651.12

Finding the Fourth Proportional to 89,937.31, 124,113.66 and 49,651.12

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Solution

The fourth proportional to 89,937.31, 124,113.66 and 49,651.12 is: 68,518.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,937.31 : 124,113.66 = 49,651.12 : x
  2. Step 2: Convert to fraction form
    89,937.31/124,113.66 = 49,651.12/x
  3. Step 3: Cross multiply
    89,937.31x = 124,113.66 × 49,651.12
  4. Step 4: Simplify right side
    89,937.31x = 6,162,382,226.30
  5. Step 5: Solve for x
    x = 6,162,382,226.30/89,937.31
  6. Step 6: Final answer
    x = 68,518.64

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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.