Home / 61,049.11-91,454.87-45,009.43

Finding the Fourth Proportional to 61,049.11, 91,454.87 and 45,009.43

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Solution

The fourth proportional to 61,049.11, 91,454.87 and 45,009.43 is: 67,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,049.11 : 91,454.87 = 45,009.43 : x
  2. Step 2: Convert to fraction form
    61,049.11/91,454.87 = 45,009.43/x
  3. Step 3: Cross multiply
    61,049.11x = 91,454.87 × 45,009.43
  4. Step 4: Simplify right side
    61,049.11x = 4,116,331,344.38
  5. Step 5: Solve for x
    x = 4,116,331,344.38/61,049.11
  6. Step 6: Final answer
    x = 67,426.56

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1.5x scale

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.