Home / 83,275.73-124,912.43-20,095.32

Finding the Fourth Proportional to 83,275.73, 124,912.43 and 20,095.32

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Solution

The fourth proportional to 83,275.73, 124,912.43 and 20,095.32 is: 30,142.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,275.73 : 124,912.43 = 20,095.32 : x
  2. Step 2: Convert to fraction form
    83,275.73/124,912.43 = 20,095.32/x
  3. Step 3: Cross multiply
    83,275.73x = 124,912.43 × 20,095.32
  4. Step 4: Simplify right side
    83,275.73x = 2,510,155,696.13
  5. Step 5: Solve for x
    x = 2,510,155,696.13/83,275.73
  6. Step 6: Final answer
    x = 30,142.70

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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.