Home / 66,123.31-98,965.56-60,213.79

Finding the Fourth Proportional to 66,123.31, 98,965.56 and 60,213.79

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Solution

The fourth proportional to 66,123.31, 98,965.56 and 60,213.79 is: 90,120.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,123.31 : 98,965.56 = 60,213.79 : x
  2. Step 2: Convert to fraction form
    66,123.31/98,965.56 = 60,213.79/x
  3. Step 3: Cross multiply
    66,123.31x = 98,965.56 × 60,213.79
  4. Step 4: Simplify right side
    66,123.31x = 5,959,091,447.07
  5. Step 5: Solve for x
    x = 5,959,091,447.07/66,123.31
  6. Step 6: Final answer
    x = 90,120.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.