Home / 71,919.84-99,247.10-45,076.85

Finding the Fourth Proportional to 71,919.84, 99,247.10 and 45,076.85

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Solution

The fourth proportional to 71,919.84, 99,247.10 and 45,076.85 is: 62,204.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,919.84 : 99,247.10 = 45,076.85 : x
  2. Step 2: Convert to fraction form
    71,919.84/99,247.10 = 45,076.85/x
  3. Step 3: Cross multiply
    71,919.84x = 99,247.10 × 45,076.85
  4. Step 4: Simplify right side
    71,919.84x = 4,473,745,918.02
  5. Step 5: Solve for x
    x = 4,473,745,918.02/71,919.84
  6. Step 6: Final answer
    x = 62,204.61

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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.