Home / 66,475.90-99,579.45-41,439.10

Finding the Fourth Proportional to 66,475.90, 99,579.45 and 41,439.10

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Solution

The fourth proportional to 66,475.90, 99,579.45 and 41,439.10 is: 62,074.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,475.90 : 99,579.45 = 41,439.10 : x
  2. Step 2: Convert to fraction form
    66,475.90/99,579.45 = 41,439.10/x
  3. Step 3: Cross multiply
    66,475.90x = 99,579.45 × 41,439.10
  4. Step 4: Simplify right side
    66,475.90x = 4,126,482,786.50
  5. Step 5: Solve for x
    x = 4,126,482,786.50/66,475.90
  6. Step 6: Final answer
    x = 62,074.87

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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.