Home / 83,363.54-115,041.68-45,637.79

Finding the Fourth Proportional to 83,363.54, 115,041.68 and 45,637.79

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Solution

The fourth proportional to 83,363.54, 115,041.68 and 45,637.79 is: 62,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,363.54 : 115,041.68 = 45,637.79 : x
  2. Step 2: Convert to fraction form
    83,363.54/115,041.68 = 45,637.79/x
  3. Step 3: Cross multiply
    83,363.54x = 115,041.68 × 45,637.79
  4. Step 4: Simplify right side
    83,363.54x = 5,250,247,229.69
  5. Step 5: Solve for x
    x = 5,250,247,229.69/83,363.54
  6. Step 6: Final answer
    x = 62,980.14

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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.