Home / 71,864.68-99,178.50-41,657.80

Finding the Fourth Proportional to 71,864.68, 99,178.50 and 41,657.80

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Solution

The fourth proportional to 71,864.68, 99,178.50 and 41,657.80 is: 57,490.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,864.68 : 99,178.50 = 41,657.80 : x
  2. Step 2: Convert to fraction form
    71,864.68/99,178.50 = 41,657.80/x
  3. Step 3: Cross multiply
    71,864.68x = 99,178.50 × 41,657.80
  4. Step 4: Simplify right side
    71,864.68x = 4,131,558,117.30
  5. Step 5: Solve for x
    x = 4,131,558,117.30/71,864.68
  6. Step 6: Final answer
    x = 57,490.80

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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.