Home / 66,217.88-91,320.13-49,264.58

Finding the Fourth Proportional to 66,217.88, 91,320.13 and 49,264.58

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Solution

The fourth proportional to 66,217.88, 91,320.13 and 49,264.58 is: 67,940.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,217.88 : 91,320.13 = 49,264.58 : x
  2. Step 2: Convert to fraction form
    66,217.88/91,320.13 = 49,264.58/x
  3. Step 3: Cross multiply
    66,217.88x = 91,320.13 × 49,264.58
  4. Step 4: Simplify right side
    66,217.88x = 4,498,847,850.00
  5. Step 5: Solve for x
    x = 4,498,847,850.00/66,217.88
  6. Step 6: Final answer
    x = 67,940.08

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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.