Home / 66,117.59-91,241.94-35,902.64

Finding the Fourth Proportional to 66,117.59, 91,241.94 and 35,902.64

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Solution

The fourth proportional to 66,117.59, 91,241.94 and 35,902.64 is: 49,545.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,117.59 : 91,241.94 = 35,902.64 : x
  2. Step 2: Convert to fraction form
    66,117.59/91,241.94 = 35,902.64/x
  3. Step 3: Cross multiply
    66,117.59x = 91,241.94 × 35,902.64
  4. Step 4: Simplify right side
    66,117.59x = 3,275,826,887.46
  5. Step 5: Solve for x
    x = 3,275,826,887.46/66,117.59
  6. Step 6: Final answer
    x = 49,545.47

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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.