Home / 71,854.83-99,158.36-40,023.05

Finding the Fourth Proportional to 71,854.83, 99,158.36 and 40,023.05

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Solution

The fourth proportional to 71,854.83, 99,158.36 and 40,023.05 is: 55,231.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,854.83 : 99,158.36 = 40,023.05 : x
  2. Step 2: Convert to fraction form
    71,854.83/99,158.36 = 40,023.05/x
  3. Step 3: Cross multiply
    71,854.83x = 99,158.36 × 40,023.05
  4. Step 4: Simplify right side
    71,854.83x = 3,968,619,304.29
  5. Step 5: Solve for x
    x = 3,968,619,304.29/71,854.83
  6. Step 6: Final answer
    x = 55,231.07

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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.