Home / 66,514.20-99,776.10-40,162.20

Finding the Fourth Proportional to 66,514.20, 99,776.10 and 40,162.20

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Solution

The fourth proportional to 66,514.20, 99,776.10 and 40,162.20 is: 60,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,514.20 : 99,776.10 = 40,162.20 : x
  2. Step 2: Convert to fraction form
    66,514.20/99,776.10 = 40,162.20/x
  3. Step 3: Cross multiply
    66,514.20x = 99,776.10 × 40,162.20
  4. Step 4: Simplify right side
    66,514.20x = 4,007,227,683.42
  5. Step 5: Solve for x
    x = 4,007,227,683.42/66,514.20
  6. Step 6: Final answer
    x = 60,246.20

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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.