Home / 66,174.28-91,320.68-35,959.66

Finding the Fourth Proportional to 66,174.28, 91,320.68 and 35,959.66

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Solution

The fourth proportional to 66,174.28, 91,320.68 and 35,959.66 is: 49,624.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,174.28 : 91,320.68 = 35,959.66 : x
  2. Step 2: Convert to fraction form
    66,174.28/91,320.68 = 35,959.66/x
  3. Step 3: Cross multiply
    66,174.28x = 91,320.68 × 35,959.66
  4. Step 4: Simplify right side
    66,174.28x = 3,283,860,603.77
  5. Step 5: Solve for x
    x = 3,283,860,603.77/66,174.28
  6. Step 6: Final answer
    x = 49,624.43

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1.5x scale

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.