Home / 71,884.08-99,190.85-40,048.65

Finding the Fourth Proportional to 71,884.08, 99,190.85 and 40,048.65

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Solution

The fourth proportional to 71,884.08, 99,190.85 and 40,048.65 is: 55,262.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,884.08 : 99,190.85 = 40,048.65 : x
  2. Step 2: Convert to fraction form
    71,884.08/99,190.85 = 40,048.65/x
  3. Step 3: Cross multiply
    71,884.08x = 99,190.85 × 40,048.65
  4. Step 4: Simplify right side
    71,884.08x = 3,972,459,434.61
  5. Step 5: Solve for x
    x = 3,972,459,434.61/71,884.08
  6. Step 6: Final answer
    x = 55,262.02

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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.