Home / 82,976.90-124,509.18-49,763.66

Finding the Fourth Proportional to 82,976.90, 124,509.18 and 49,763.66

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Solution

The fourth proportional to 82,976.90, 124,509.18 and 49,763.66 is: 74,671.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,976.90 : 124,509.18 = 49,763.66 : x
  2. Step 2: Convert to fraction form
    82,976.90/124,509.18 = 49,763.66/x
  3. Step 3: Cross multiply
    82,976.90x = 124,509.18 × 49,763.66
  4. Step 4: Simplify right side
    82,976.90x = 6,196,032,500.40
  5. Step 5: Solve for x
    x = 6,196,032,500.40/82,976.90
  6. Step 6: Final answer
    x = 74,671.78

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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.