Home / 65,009.90-97,514.85-54,512.30

Finding the Fourth Proportional to 65,009.90, 97,514.85 and 54,512.30

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Solution

The fourth proportional to 65,009.90, 97,514.85 and 54,512.30 is: 81,768.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,009.90 : 97,514.85 = 54,512.30 : x
  2. Step 2: Convert to fraction form
    65,009.90/97,514.85 = 54,512.30/x
  3. Step 3: Cross multiply
    65,009.90x = 97,514.85 × 54,512.30
  4. Step 4: Simplify right side
    65,009.90x = 5,315,758,757.66
  5. Step 5: Solve for x
    x = 5,315,758,757.66/65,009.90
  6. Step 6: Final answer
    x = 81,768.45

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.