Home / 81,545.82-112,537.02-50,937.05

Finding the Fourth Proportional to 81,545.82, 112,537.02 and 50,937.05

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Solution

The fourth proportional to 81,545.82, 112,537.02 and 50,937.05 is: 70,295.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,545.82 : 112,537.02 = 50,937.05 : x
  2. Step 2: Convert to fraction form
    81,545.82/112,537.02 = 50,937.05/x
  3. Step 3: Cross multiply
    81,545.82x = 112,537.02 × 50,937.05
  4. Step 4: Simplify right side
    81,545.82x = 5,732,303,251.91
  5. Step 5: Solve for x
    x = 5,732,303,251.91/81,545.82
  6. Step 6: Final answer
    x = 70,295.49

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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.