Home / 66,546.52-99,770.56-31,445.17

Finding the Fourth Proportional to 66,546.52, 99,770.56 and 31,445.17

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Solution

The fourth proportional to 66,546.52, 99,770.56 and 31,445.17 is: 47,144.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,546.52 : 99,770.56 = 31,445.17 : x
  2. Step 2: Convert to fraction form
    66,546.52/99,770.56 = 31,445.17/x
  3. Step 3: Cross multiply
    66,546.52x = 99,770.56 × 31,445.17
  4. Step 4: Simplify right side
    66,546.52x = 3,137,301,892.16
  5. Step 5: Solve for x
    x = 3,137,301,892.16/66,546.52
  6. Step 6: Final answer
    x = 47,144.49

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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.