Home / 76,549.43-114,780-29,747.63

Finding the Fourth Proportional to 76,549.43, 114,780 and 29,747.63

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Solution

The fourth proportional to 76,549.43, 114,780 and 29,747.63 is: 44,604.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,549.43 : 114,780 = 29,747.63 : x
  2. Step 2: Convert to fraction form
    76,549.43/114,780 = 29,747.63/x
  3. Step 3: Cross multiply
    76,549.43x = 114,780 × 29,747.63
  4. Step 4: Simplify right side
    76,549.43x = 3,414,432,971.40
  5. Step 5: Solve for x
    x = 3,414,432,971.40/76,549.43
  6. Step 6: Final answer
    x = 44,604.29

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1.5x scale

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.