Home / 83,480.02-115,185.45-49,473.55

Finding the Fourth Proportional to 83,480.02, 115,185.45 and 49,473.55

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Solution

The fourth proportional to 83,480.02, 115,185.45 and 49,473.55 is: 68,263.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,480.02 : 115,185.45 = 49,473.55 : x
  2. Step 2: Convert to fraction form
    83,480.02/115,185.45 = 49,473.55/x
  3. Step 3: Cross multiply
    83,480.02x = 115,185.45 × 49,473.55
  4. Step 4: Simplify right side
    83,480.02x = 5,698,633,119.85
  5. Step 5: Solve for x
    x = 5,698,633,119.85/83,480.02
  6. Step 6: Final answer
    x = 68,263.44

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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.