Home / 107,066.10-160,432.35-40,469.90

Finding the Fourth Proportional to 107,066.10, 160,432.35 and 40,469.90

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Solution

The fourth proportional to 107,066.10, 160,432.35 and 40,469.90 is: 60,641.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,066.10 : 160,432.35 = 40,469.90 : x
  2. Step 2: Convert to fraction form
    107,066.10/160,432.35 = 40,469.90/x
  3. Step 3: Cross multiply
    107,066.10x = 160,432.35 × 40,469.90
  4. Step 4: Simplify right side
    107,066.10x = 6,492,681,161.27
  5. Step 5: Solve for x
    x = 6,492,681,161.27/107,066.10
  6. Step 6: Final answer
    x = 60,641.80

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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.