Home / 76,780.10-105,960.15-44,959.25

Finding the Fourth Proportional to 76,780.10, 105,960.15 and 44,959.25

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Solution

The fourth proportional to 76,780.10, 105,960.15 and 44,959.25 is: 62,045.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,780.10 : 105,960.15 = 44,959.25 : x
  2. Step 2: Convert to fraction form
    76,780.10/105,960.15 = 44,959.25/x
  3. Step 3: Cross multiply
    76,780.10x = 105,960.15 × 44,959.25
  4. Step 4: Simplify right side
    76,780.10x = 4,763,889,138.79
  5. Step 5: Solve for x
    x = 4,763,889,138.79/76,780.10
  6. Step 6: Final answer
    x = 62,045.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.