Home / 66,117.36-91,239.97-35,902.14

Finding the Fourth Proportional to 66,117.36, 91,239.97 and 35,902.14

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Solution

The fourth proportional to 66,117.36, 91,239.97 and 35,902.14 is: 49,543.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,117.36 : 91,239.97 = 35,902.14 : x
  2. Step 2: Convert to fraction form
    66,117.36/91,239.97 = 35,902.14/x
  3. Step 3: Cross multiply
    66,117.36x = 91,239.97 × 35,902.14
  4. Step 4: Simplify right side
    66,117.36x = 3,275,709,811.95
  5. Step 5: Solve for x
    x = 3,275,709,811.95/66,117.36
  6. Step 6: Final answer
    x = 49,543.87

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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.