Home / 66,001.19-98,981.80-55,474.43

Finding the Fourth Proportional to 66,001.19, 98,981.80 and 55,474.43

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Solution

The fourth proportional to 66,001.19, 98,981.80 and 55,474.43 is: 83,194.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,001.19 : 98,981.80 = 55,474.43 : x
  2. Step 2: Convert to fraction form
    66,001.19/98,981.80 = 55,474.43/x
  3. Step 3: Cross multiply
    66,001.19x = 98,981.80 × 55,474.43
  4. Step 4: Simplify right side
    66,001.19x = 5,490,958,301.78
  5. Step 5: Solve for x
    x = 5,490,958,301.78/66,001.19
  6. Step 6: Final answer
    x = 83,194.84

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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.