Home / 83,608.29-115,431.75-58,107.06

Finding the Fourth Proportional to 83,608.29, 115,431.75 and 58,107.06

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Solution

The fourth proportional to 83,608.29, 115,431.75 and 58,107.06 is: 80,224.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,608.29 : 115,431.75 = 58,107.06 : x
  2. Step 2: Convert to fraction form
    83,608.29/115,431.75 = 58,107.06/x
  3. Step 3: Cross multiply
    83,608.29x = 115,431.75 × 58,107.06
  4. Step 4: Simplify right side
    83,608.29x = 6,707,399,623.16
  5. Step 5: Solve for x
    x = 6,707,399,623.16/83,608.29
  6. Step 6: Final answer
    x = 80,224.10

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1.5x scale

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.