Home / 83,670.63-115,471.64-51,845.73

Finding the Fourth Proportional to 83,670.63, 115,471.64 and 51,845.73

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Solution

The fourth proportional to 83,670.63, 115,471.64 and 51,845.73 is: 71,550.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,670.63 : 115,471.64 = 51,845.73 : x
  2. Step 2: Convert to fraction form
    83,670.63/115,471.64 = 51,845.73/x
  3. Step 3: Cross multiply
    83,670.63x = 115,471.64 × 51,845.73
  4. Step 4: Simplify right side
    83,670.63x = 5,986,711,470.10
  5. Step 5: Solve for x
    x = 5,986,711,470.10/83,670.63
  6. Step 6: Final answer
    x = 71,550.93

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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.