Home / 83,753.23-115,579.93-45,513.10

Finding the Fourth Proportional to 83,753.23, 115,579.93 and 45,513.10

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Solution

The fourth proportional to 83,753.23, 115,579.93 and 45,513.10 is: 62,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,753.23 : 115,579.93 = 45,513.10 : x
  2. Step 2: Convert to fraction form
    83,753.23/115,579.93 = 45,513.10/x
  3. Step 3: Cross multiply
    83,753.23x = 115,579.93 × 45,513.10
  4. Step 4: Simplify right side
    83,753.23x = 5,260,400,912.08
  5. Step 5: Solve for x
    x = 5,260,400,912.08/83,753.23
  6. Step 6: Final answer
    x = 62,808.33

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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.