Home / 99,402.72-149,072.28-32,830.44

Finding the Fourth Proportional to 99,402.72, 149,072.28 and 32,830.44

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Solution

The fourth proportional to 99,402.72, 149,072.28 and 32,830.44 is: 49,235.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,402.72 : 149,072.28 = 32,830.44 : x
  2. Step 2: Convert to fraction form
    99,402.72/149,072.28 = 32,830.44/x
  3. Step 3: Cross multiply
    99,402.72x = 149,072.28 × 32,830.44
  4. Step 4: Simplify right side
    99,402.72x = 4,894,108,544.20
  5. Step 5: Solve for x
    x = 4,894,108,544.20/99,402.72
  6. Step 6: Final answer
    x = 49,235.16

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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.