Home / 82,015.60-123,023.40-52,466.80

Finding the Fourth Proportional to 82,015.60, 123,023.40 and 52,466.80

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Solution

The fourth proportional to 82,015.60, 123,023.40 and 52,466.80 is: 78,700.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,015.60 : 123,023.40 = 52,466.80 : x
  2. Step 2: Convert to fraction form
    82,015.60/123,023.40 = 52,466.80/x
  3. Step 3: Cross multiply
    82,015.60x = 123,023.40 × 52,466.80
  4. Step 4: Simplify right side
    82,015.60x = 6,454,644,123.12
  5. Step 5: Solve for x
    x = 6,454,644,123.12/82,015.60
  6. Step 6: Final answer
    x = 78,700.20

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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.