Home / 83,209.20-114,828-45,483.36

Finding the Fourth Proportional to 83,209.20, 114,828 and 45,483.36

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Solution

The fourth proportional to 83,209.20, 114,828 and 45,483.36 is: 62,766.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,209.20 : 114,828 = 45,483.36 : x
  2. Step 2: Convert to fraction form
    83,209.20/114,828 = 45,483.36/x
  3. Step 3: Cross multiply
    83,209.20x = 114,828 × 45,483.36
  4. Step 4: Simplify right side
    83,209.20x = 5,222,763,262.08
  5. Step 5: Solve for x
    x = 5,222,763,262.08/83,209.20
  6. Step 6: Final answer
    x = 62,766.66

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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.