Home / 84,279.80-126,381.63-44,828.48

Finding the Fourth Proportional to 84,279.80, 126,381.63 and 44,828.48

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Solution

The fourth proportional to 84,279.80, 126,381.63 and 44,828.48 is: 67,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,279.80 : 126,381.63 = 44,828.48 : x
  2. Step 2: Convert to fraction form
    84,279.80/126,381.63 = 44,828.48/x
  3. Step 3: Cross multiply
    84,279.80x = 126,381.63 × 44,828.48
  4. Step 4: Simplify right side
    84,279.80x = 5,665,496,372.82
  5. Step 5: Solve for x
    x = 5,665,496,372.82/84,279.80
  6. Step 6: Final answer
    x = 67,222.47

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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.