Home / 82,728.57-124,092.86-49,458.15

Finding the Fourth Proportional to 82,728.57, 124,092.86 and 49,458.15

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Solution

The fourth proportional to 82,728.57, 124,092.86 and 49,458.15 is: 74,187.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,728.57 : 124,092.86 = 49,458.15 : x
  2. Step 2: Convert to fraction form
    82,728.57/124,092.86 = 49,458.15/x
  3. Step 3: Cross multiply
    82,728.57x = 124,092.86 × 49,458.15
  4. Step 4: Simplify right side
    82,728.57x = 6,137,403,245.48
  5. Step 5: Solve for x
    x = 6,137,403,245.48/82,728.57
  6. Step 6: Final answer
    x = 74,187.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.