Home / 84,470.49-126,705.63-38,873.60

Finding the Fourth Proportional to 84,470.49, 126,705.63 and 38,873.60

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Solution

The fourth proportional to 84,470.49, 126,705.63 and 38,873.60 is: 58,310.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,470.49 : 126,705.63 = 38,873.60 : x
  2. Step 2: Convert to fraction form
    84,470.49/126,705.63 = 38,873.60/x
  3. Step 3: Cross multiply
    84,470.49x = 126,705.63 × 38,873.60
  4. Step 4: Simplify right side
    84,470.49x = 4,925,504,295.13
  5. Step 5: Solve for x
    x = 4,925,504,295.13/84,470.49
  6. Step 6: Final answer
    x = 58,310.36

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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.