Home / 78,883.24-118,343.68-26,293.18

Finding the Fourth Proportional to 78,883.24, 118,343.68 and 26,293.18

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Solution

The fourth proportional to 78,883.24, 118,343.68 and 26,293.18 is: 39,446.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,883.24 : 118,343.68 = 26,293.18 : x
  2. Step 2: Convert to fraction form
    78,883.24/118,343.68 = 26,293.18/x
  3. Step 3: Cross multiply
    78,883.24x = 118,343.68 × 26,293.18
  4. Step 4: Simplify right side
    78,883.24x = 3,111,631,680.10
  5. Step 5: Solve for x
    x = 3,111,631,680.10/78,883.24
  6. Step 6: Final answer
    x = 39,446.04

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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.