Home / 67,954.86-101,899.40-28,501.38

Finding the Fourth Proportional to 67,954.86, 101,899.40 and 28,501.38

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Solution

The fourth proportional to 67,954.86, 101,899.40 and 28,501.38 is: 42,738.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,954.86 : 101,899.40 = 28,501.38 : x
  2. Step 2: Convert to fraction form
    67,954.86/101,899.40 = 28,501.38/x
  3. Step 3: Cross multiply
    67,954.86x = 101,899.40 × 28,501.38
  4. Step 4: Simplify right side
    67,954.86x = 2,904,273,378.67
  5. Step 5: Solve for x
    x = 2,904,273,378.67/67,954.86
  6. Step 6: Final answer
    x = 42,738.27

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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.