Home / 66,445.12-98,926.50-65,514.43

Finding the Fourth Proportional to 66,445.12, 98,926.50 and 65,514.43

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Solution

The fourth proportional to 66,445.12, 98,926.50 and 65,514.43 is: 97,540.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,445.12 : 98,926.50 = 65,514.43 : x
  2. Step 2: Convert to fraction form
    66,445.12/98,926.50 = 65,514.43/x
  3. Step 3: Cross multiply
    66,445.12x = 98,926.50 × 65,514.43
  4. Step 4: Simplify right side
    66,445.12x = 6,481,113,012.08
  5. Step 5: Solve for x
    x = 6,481,113,012.08/66,445.12
  6. Step 6: Final answer
    x = 97,540.85

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.