Home / 68,627.18-94,697.82-38,408.30

Finding the Fourth Proportional to 68,627.18, 94,697.82 and 38,408.30

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Solution

The fourth proportional to 68,627.18, 94,697.82 and 38,408.30 is: 52,999.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,627.18 : 94,697.82 = 38,408.30 : x
  2. Step 2: Convert to fraction form
    68,627.18/94,697.82 = 38,408.30/x
  3. Step 3: Cross multiply
    68,627.18x = 94,697.82 × 38,408.30
  4. Step 4: Simplify right side
    68,627.18x = 3,637,182,279.91
  5. Step 5: Solve for x
    x = 3,637,182,279.91/68,627.18
  6. Step 6: Final answer
    x = 52,999.15

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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.