Home / 107,081.30-160,561.20-40,523.60

Finding the Fourth Proportional to 107,081.30, 160,561.20 and 40,523.60

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Solution

The fourth proportional to 107,081.30, 160,561.20 and 40,523.60 is: 60,762.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,081.30 : 160,561.20 = 40,523.60 : x
  2. Step 2: Convert to fraction form
    107,081.30/160,561.20 = 40,523.60/x
  3. Step 3: Cross multiply
    107,081.30x = 160,561.20 × 40,523.60
  4. Step 4: Simplify right side
    107,081.30x = 6,506,517,844.32
  5. Step 5: Solve for x
    x = 6,506,517,844.32/107,081.30
  6. Step 6: Final answer
    x = 60,762.41

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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.