Home / 83,945.46-115,921.71-53,328.44

Finding the Fourth Proportional to 83,945.46, 115,921.71 and 53,328.44

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Solution

The fourth proportional to 83,945.46, 115,921.71 and 53,328.44 is: 73,642.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,945.46 : 115,921.71 = 53,328.44 : x
  2. Step 2: Convert to fraction form
    83,945.46/115,921.71 = 53,328.44/x
  3. Step 3: Cross multiply
    83,945.46x = 115,921.71 × 53,328.44
  4. Step 4: Simplify right side
    83,945.46x = 6,181,924,246.24
  5. Step 5: Solve for x
    x = 6,181,924,246.24/83,945.46
  6. Step 6: Final answer
    x = 73,642.15

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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.