Home / 84,313.09-126,486.24-25,147.45

Finding the Fourth Proportional to 84,313.09, 126,486.24 and 25,147.45

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Solution

The fourth proportional to 84,313.09, 126,486.24 and 25,147.45 is: 37,726.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,313.09 : 126,486.24 = 25,147.45 : x
  2. Step 2: Convert to fraction form
    84,313.09/126,486.24 = 25,147.45/x
  3. Step 3: Cross multiply
    84,313.09x = 126,486.24 × 25,147.45
  4. Step 4: Simplify right side
    84,313.09x = 3,180,805,985.57
  5. Step 5: Solve for x
    x = 3,180,805,985.57/84,313.09
  6. Step 6: Final answer
    x = 37,726.12

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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.