Home / 84,287.25-126,430.41-34,367.16

Finding the Fourth Proportional to 84,287.25, 126,430.41 and 34,367.16

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Solution

The fourth proportional to 84,287.25, 126,430.41 and 34,367.16 is: 51,550.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,287.25 : 126,430.41 = 34,367.16 : x
  2. Step 2: Convert to fraction form
    84,287.25/126,430.41 = 34,367.16/x
  3. Step 3: Cross multiply
    84,287.25x = 126,430.41 × 34,367.16
  4. Step 4: Simplify right side
    84,287.25x = 4,345,054,129.34
  5. Step 5: Solve for x
    x = 4,345,054,129.34/84,287.25
  6. Step 6: Final answer
    x = 51,550.55

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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.