Home / 83,479.02-115,184.07-49,472.55

Finding the Fourth Proportional to 83,479.02, 115,184.07 and 49,472.55

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Solution

The fourth proportional to 83,479.02, 115,184.07 and 49,472.55 is: 68,262.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,479.02 : 115,184.07 = 49,472.55 : x
  2. Step 2: Convert to fraction form
    83,479.02/115,184.07 = 49,472.55/x
  3. Step 3: Cross multiply
    83,479.02x = 115,184.07 × 49,472.55
  4. Step 4: Simplify right side
    83,479.02x = 5,698,449,662.28
  5. Step 5: Solve for x
    x = 5,698,449,662.28/83,479.02
  6. Step 6: Final answer
    x = 68,262.06

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1.5x scale

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.