Home / 78,851.16-108,816.66-43,044.48

Finding the Fourth Proportional to 78,851.16, 108,816.66 and 43,044.48

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Solution

The fourth proportional to 78,851.16, 108,816.66 and 43,044.48 is: 59,402.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,851.16 : 108,816.66 = 43,044.48 : x
  2. Step 2: Convert to fraction form
    78,851.16/108,816.66 = 43,044.48/x
  3. Step 3: Cross multiply
    78,851.16x = 108,816.66 × 43,044.48
  4. Step 4: Simplify right side
    78,851.16x = 4,683,956,545.04
  5. Step 5: Solve for x
    x = 4,683,956,545.04/78,851.16
  6. Step 6: Final answer
    x = 59,402.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.