Home / 85,082.40-127,672.20-32,529.60

Finding the Fourth Proportional to 85,082.40, 127,672.20 and 32,529.60

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Solution

The fourth proportional to 85,082.40, 127,672.20 and 32,529.60 is: 48,812.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,082.40 : 127,672.20 = 32,529.60 : x
  2. Step 2: Convert to fraction form
    85,082.40/127,672.20 = 32,529.60/x
  3. Step 3: Cross multiply
    85,082.40x = 127,672.20 × 32,529.60
  4. Step 4: Simplify right side
    85,082.40x = 4,153,125,597.12
  5. Step 5: Solve for x
    x = 4,153,125,597.12/85,082.40
  6. Step 6: Final answer
    x = 48,812.98

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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.