Home / 84,491.15-126,720.57-25,326.81

Finding the Fourth Proportional to 84,491.15, 126,720.57 and 25,326.81

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Solution

The fourth proportional to 84,491.15, 126,720.57 and 25,326.81 is: 37,985.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,491.15 : 126,720.57 = 25,326.81 : x
  2. Step 2: Convert to fraction form
    84,491.15/126,720.57 = 25,326.81/x
  3. Step 3: Cross multiply
    84,491.15x = 126,720.57 × 25,326.81
  4. Step 4: Simplify right side
    84,491.15x = 3,209,427,799.48
  5. Step 5: Solve for x
    x = 3,209,427,799.48/84,491.15
  6. Step 6: Final answer
    x = 37,985.37

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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.