Home / 84,249.36-126,264.96-34,271.28

Finding the Fourth Proportional to 84,249.36, 126,264.96 and 34,271.28

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Solution

The fourth proportional to 84,249.36, 126,264.96 and 34,271.28 is: 51,362.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,249.36 : 126,264.96 = 34,271.28 : x
  2. Step 2: Convert to fraction form
    84,249.36/126,264.96 = 34,271.28/x
  3. Step 3: Cross multiply
    84,249.36x = 126,264.96 × 34,271.28
  4. Step 4: Simplify right side
    84,249.36x = 4,327,261,798.35
  5. Step 5: Solve for x
    x = 4,327,261,798.35/84,249.36
  6. Step 6: Final answer
    x = 51,362.55

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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.