Home / 71,146.94-98,199.15-40,949.70

Finding the Fourth Proportional to 71,146.94, 98,199.15 and 40,949.70

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Solution

The fourth proportional to 71,146.94, 98,199.15 and 40,949.70 is: 56,520.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,146.94 : 98,199.15 = 40,949.70 : x
  2. Step 2: Convert to fraction form
    71,146.94/98,199.15 = 40,949.70/x
  3. Step 3: Cross multiply
    71,146.94x = 98,199.15 × 40,949.70
  4. Step 4: Simplify right side
    71,146.94x = 4,021,225,732.76
  5. Step 5: Solve for x
    x = 4,021,225,732.76/71,146.94
  6. Step 6: Final answer
    x = 56,520.01

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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.