Home / 83,715.08-115,526.87-45,989.33

Finding the Fourth Proportional to 83,715.08, 115,526.87 and 45,989.33

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Solution

The fourth proportional to 83,715.08, 115,526.87 and 45,989.33 is: 63,465.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,715.08 : 115,526.87 = 45,989.33 : x
  2. Step 2: Convert to fraction form
    83,715.08/115,526.87 = 45,989.33/x
  3. Step 3: Cross multiply
    83,715.08x = 115,526.87 × 45,989.33
  4. Step 4: Simplify right side
    83,715.08x = 5,313,002,540.72
  5. Step 5: Solve for x
    x = 5,313,002,540.72/83,715.08
  6. Step 6: Final answer
    x = 63,465.30

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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.