Home / 92,220.30-138,330.45-54,822.60

Finding the Fourth Proportional to 92,220.30, 138,330.45 and 54,822.60

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Solution

The fourth proportional to 92,220.30, 138,330.45 and 54,822.60 is: 82,233.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,220.30 : 138,330.45 = 54,822.60 : x
  2. Step 2: Convert to fraction form
    92,220.30/138,330.45 = 54,822.60/x
  3. Step 3: Cross multiply
    92,220.30x = 138,330.45 × 54,822.60
  4. Step 4: Simplify right side
    92,220.30x = 7,583,634,928.17
  5. Step 5: Solve for x
    x = 7,583,634,928.17/92,220.30
  6. Step 6: Final answer
    x = 82,233.90

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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.