Home / 66,123.66-91,250.84-35,909.48

Finding the Fourth Proportional to 66,123.66, 91,250.84 and 35,909.48

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Solution

The fourth proportional to 66,123.66, 91,250.84 and 35,909.48 is: 49,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,123.66 : 91,250.84 = 35,909.48 : x
  2. Step 2: Convert to fraction form
    66,123.66/91,250.84 = 35,909.48/x
  3. Step 3: Cross multiply
    66,123.66x = 91,250.84 × 35,909.48
  4. Step 4: Simplify right side
    66,123.66x = 3,276,770,213.96
  5. Step 5: Solve for x
    x = 3,276,770,213.96/66,123.66
  6. Step 6: Final answer
    x = 49,555.19

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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.