Home / 80,643.54-111,123.96-62,383.34

Finding the Fourth Proportional to 80,643.54, 111,123.96 and 62,383.34

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Solution

The fourth proportional to 80,643.54, 111,123.96 and 62,383.34 is: 85,962.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,643.54 : 111,123.96 = 62,383.34 : x
  2. Step 2: Convert to fraction form
    80,643.54/111,123.96 = 62,383.34/x
  3. Step 3: Cross multiply
    80,643.54x = 111,123.96 × 62,383.34
  4. Step 4: Simplify right side
    80,643.54x = 6,932,283,223.21
  5. Step 5: Solve for x
    x = 6,932,283,223.21/80,643.54
  6. Step 6: Final answer
    x = 85,962.04

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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.