Home / 83,282.20-114,928.50-45,556

Finding the Fourth Proportional to 83,282.20, 114,928.50 and 45,556

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Solution

The fourth proportional to 83,282.20, 114,928.50 and 45,556 is: 62,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,282.20 : 114,928.50 = 45,556 : x
  2. Step 2: Convert to fraction form
    83,282.20/114,928.50 = 45,556/x
  3. Step 3: Cross multiply
    83,282.20x = 114,928.50 × 45,556
  4. Step 4: Simplify right side
    83,282.20x = 5,235,682,746
  5. Step 5: Solve for x
    x = 5,235,682,746/83,282.20
  6. Step 6: Final answer
    x = 62,866.77

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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.