Home / 66,239.08-99,401.82-60,899.56

Finding the Fourth Proportional to 66,239.08, 99,401.82 and 60,899.56

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Solution

The fourth proportional to 66,239.08, 99,401.82 and 60,899.56 is: 91,389.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,239.08 : 99,401.82 = 60,899.56 : x
  2. Step 2: Convert to fraction form
    66,239.08/99,401.82 = 60,899.56/x
  3. Step 3: Cross multiply
    66,239.08x = 99,401.82 × 60,899.56
  4. Step 4: Simplify right side
    66,239.08x = 6,053,527,101.20
  5. Step 5: Solve for x
    x = 6,053,527,101.20/66,239.08
  6. Step 6: Final answer
    x = 91,389.06

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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.