Home / 66,217.97-98,703.16-60,903.56

Finding the Fourth Proportional to 66,217.97, 98,703.16 and 60,903.56

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Solution

The fourth proportional to 66,217.97, 98,703.16 and 60,903.56 is: 90,781.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,217.97 : 98,703.16 = 60,903.56 : x
  2. Step 2: Convert to fraction form
    66,217.97/98,703.16 = 60,903.56/x
  3. Step 3: Cross multiply
    66,217.97x = 98,703.16 × 60,903.56
  4. Step 4: Simplify right side
    66,217.97x = 6,011,373,921.75
  5. Step 5: Solve for x
    x = 6,011,373,921.75/66,217.97
  6. Step 6: Final answer
    x = 90,781.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.