Home / 71,926.13-99,254.43-40,088.88

Finding the Fourth Proportional to 71,926.13, 99,254.43 and 40,088.88

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Solution

The fourth proportional to 71,926.13, 99,254.43 and 40,088.88 is: 55,320.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,926.13 : 99,254.43 = 40,088.88 : x
  2. Step 2: Convert to fraction form
    71,926.13/99,254.43 = 40,088.88/x
  3. Step 3: Cross multiply
    71,926.13x = 99,254.43 × 40,088.88
  4. Step 4: Simplify right side
    71,926.13x = 3,978,998,933.74
  5. Step 5: Solve for x
    x = 3,978,998,933.74/71,926.13
  6. Step 6: Final answer
    x = 55,320.63

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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.