Home / 83,395.50-115,086.15-45,670.38

Finding the Fourth Proportional to 83,395.50, 115,086.15 and 45,670.38

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Solution

The fourth proportional to 83,395.50, 115,086.15 and 45,670.38 is: 63,025.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,395.50 : 115,086.15 = 45,670.38 : x
  2. Step 2: Convert to fraction form
    83,395.50/115,086.15 = 45,670.38/x
  3. Step 3: Cross multiply
    83,395.50x = 115,086.15 × 45,670.38
  4. Step 4: Simplify right side
    83,395.50x = 5,256,028,203.24
  5. Step 5: Solve for x
    x = 5,256,028,203.24/83,395.50
  6. Step 6: Final answer
    x = 63,025.32

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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.