Home / 67,561.29-101,352.87-28,119.96

Finding the Fourth Proportional to 67,561.29, 101,352.87 and 28,119.96

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Solution

The fourth proportional to 67,561.29, 101,352.87 and 28,119.96 is: 42,184.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,561.29 : 101,352.87 = 28,119.96 : x
  2. Step 2: Convert to fraction form
    67,561.29/101,352.87 = 28,119.96/x
  3. Step 3: Cross multiply
    67,561.29x = 101,352.87 × 28,119.96
  4. Step 4: Simplify right side
    67,561.29x = 2,850,038,650.29
  5. Step 5: Solve for x
    x = 2,850,038,650.29/67,561.29
  6. Step 6: Final answer
    x = 42,184.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.