Home / 83,705.24-115,465.02-50,151.80

Finding the Fourth Proportional to 83,705.24, 115,465.02 and 50,151.80

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Solution

The fourth proportional to 83,705.24, 115,465.02 and 50,151.80 is: 69,180.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,705.24 : 115,465.02 = 50,151.80 : x
  2. Step 2: Convert to fraction form
    83,705.24/115,465.02 = 50,151.80/x
  3. Step 3: Cross multiply
    83,705.24x = 115,465.02 × 50,151.80
  4. Step 4: Simplify right side
    83,705.24x = 5,790,778,590.04
  5. Step 5: Solve for x
    x = 5,790,778,590.04/83,705.24
  6. Step 6: Final answer
    x = 69,180.60

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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.