Home / 80,545.20-111,166.88-46,549

Finding the Fourth Proportional to 80,545.20, 111,166.88 and 46,549

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Solution

The fourth proportional to 80,545.20, 111,166.88 and 46,549 is: 64,246.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,545.20 : 111,166.88 = 46,549 : x
  2. Step 2: Convert to fraction form
    80,545.20/111,166.88 = 46,549/x
  3. Step 3: Cross multiply
    80,545.20x = 111,166.88 × 46,549
  4. Step 4: Simplify right side
    80,545.20x = 5,174,707,097.12
  5. Step 5: Solve for x
    x = 5,174,707,097.12/80,545.20
  6. Step 6: Final answer
    x = 64,246.00

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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.