Home / 107,072.20-160,559.70-40,490.20

Finding the Fourth Proportional to 107,072.20, 160,559.70 and 40,490.20

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Solution

The fourth proportional to 107,072.20, 160,559.70 and 40,490.20 is: 60,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,072.20 : 160,559.70 = 40,490.20 : x
  2. Step 2: Convert to fraction form
    107,072.20/160,559.70 = 40,490.20/x
  3. Step 3: Cross multiply
    107,072.20x = 160,559.70 × 40,490.20
  4. Step 4: Simplify right side
    107,072.20x = 6,501,094,364.94
  5. Step 5: Solve for x
    x = 6,501,094,364.94/107,072.20
  6. Step 6: Final answer
    x = 60,716.92

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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.