Home / 51,407.10-77,110.65-45,963.90

Finding the Fourth Proportional to 51,407.10, 77,110.65 and 45,963.90

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Solution

The fourth proportional to 51,407.10, 77,110.65 and 45,963.90 is: 68,945.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,407.10 : 77,110.65 = 45,963.90 : x
  2. Step 2: Convert to fraction form
    51,407.10/77,110.65 = 45,963.90/x
  3. Step 3: Cross multiply
    51,407.10x = 77,110.65 × 45,963.90
  4. Step 4: Simplify right side
    51,407.10x = 3,544,306,205.54
  5. Step 5: Solve for x
    x = 3,544,306,205.54/51,407.10
  6. Step 6: Final answer
    x = 68,945.85

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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.