Home / 70,580.76-97,382.43-40,359.85

Finding the Fourth Proportional to 70,580.76, 97,382.43 and 40,359.85

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Solution

The fourth proportional to 70,580.76, 97,382.43 and 40,359.85 is: 55,685.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,580.76 : 97,382.43 = 40,359.85 : x
  2. Step 2: Convert to fraction form
    70,580.76/97,382.43 = 40,359.85/x
  3. Step 3: Cross multiply
    70,580.76x = 97,382.43 × 40,359.85
  4. Step 4: Simplify right side
    70,580.76x = 3,930,340,023.98
  5. Step 5: Solve for x
    x = 3,930,340,023.98/70,580.76
  6. Step 6: Final answer
    x = 55,685.72

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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.