Home / 71,923.15-99,255.25-40,088.62

Finding the Fourth Proportional to 71,923.15, 99,255.25 and 40,088.62

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Solution

The fourth proportional to 71,923.15, 99,255.25 and 40,088.62 is: 55,323.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,923.15 : 99,255.25 = 40,088.62 : x
  2. Step 2: Convert to fraction form
    71,923.15/99,255.25 = 40,088.62/x
  3. Step 3: Cross multiply
    71,923.15x = 99,255.25 × 40,088.62
  4. Step 4: Simplify right side
    71,923.15x = 3,979,006,000.26
  5. Step 5: Solve for x
    x = 3,979,006,000.26/71,923.15
  6. Step 6: Final answer
    x = 55,323.02

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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.