Home / 101,475.12-152,256.44-54,717.20

Finding the Fourth Proportional to 101,475.12, 152,256.44 and 54,717.20

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Solution

The fourth proportional to 101,475.12, 152,256.44 and 54,717.20 is: 82,099.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,475.12 : 152,256.44 = 54,717.20 : x
  2. Step 2: Convert to fraction form
    101,475.12/152,256.44 = 54,717.20/x
  3. Step 3: Cross multiply
    101,475.12x = 152,256.44 × 54,717.20
  4. Step 4: Simplify right side
    101,475.12x = 8,331,046,078.77
  5. Step 5: Solve for x
    x = 8,331,046,078.77/101,475.12
  6. Step 6: Final answer
    x = 82,099.40

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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.