Home / 80,547.24-120,718.50-45,506.52

Finding the Fourth Proportional to 80,547.24, 120,718.50 and 45,506.52

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Solution

The fourth proportional to 80,547.24, 120,718.50 and 45,506.52 is: 68,201.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,547.24 : 120,718.50 = 45,506.52 : x
  2. Step 2: Convert to fraction form
    80,547.24/120,718.50 = 45,506.52/x
  3. Step 3: Cross multiply
    80,547.24x = 120,718.50 × 45,506.52
  4. Step 4: Simplify right side
    80,547.24x = 5,493,478,834.62
  5. Step 5: Solve for x
    x = 5,493,478,834.62/80,547.24
  6. Step 6: Final answer
    x = 68,201.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.