Home / 81,353.52-112,254.94-45,545.04

Finding the Fourth Proportional to 81,353.52, 112,254.94 and 45,545.04

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Solution

The fourth proportional to 81,353.52, 112,254.94 and 45,545.04 is: 62,844.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,353.52 : 112,254.94 = 45,545.04 : x
  2. Step 2: Convert to fraction form
    81,353.52/112,254.94 = 45,545.04/x
  3. Step 3: Cross multiply
    81,353.52x = 112,254.94 × 45,545.04
  4. Step 4: Simplify right side
    81,353.52x = 5,112,655,732.50
  5. Step 5: Solve for x
    x = 5,112,655,732.50/81,353.52
  6. Step 6: Final answer
    x = 62,844.92

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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.