Home / 45,437.83-68,181.35-43,781.18

Finding the Fourth Proportional to 45,437.83, 68,181.35 and 43,781.18

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Solution

The fourth proportional to 45,437.83, 68,181.35 and 43,781.18 is: 65,695.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,437.83 : 68,181.35 = 43,781.18 : x
  2. Step 2: Convert to fraction form
    45,437.83/68,181.35 = 43,781.18/x
  3. Step 3: Cross multiply
    45,437.83x = 68,181.35 × 43,781.18
  4. Step 4: Simplify right side
    45,437.83x = 2,985,059,397.18
  5. Step 5: Solve for x
    x = 2,985,059,397.18/45,437.83
  6. Step 6: Final answer
    x = 65,695.47

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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.