Home / 107,243.92-160,762.20-40,638.16

Finding the Fourth Proportional to 107,243.92, 160,762.20 and 40,638.16

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Solution

The fourth proportional to 107,243.92, 160,762.20 and 40,638.16 is: 60,917.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,243.92 : 160,762.20 = 40,638.16 : x
  2. Step 2: Convert to fraction form
    107,243.92/160,762.20 = 40,638.16/x
  3. Step 3: Cross multiply
    107,243.92x = 160,762.20 × 40,638.16
  4. Step 4: Simplify right side
    107,243.92x = 6,533,080,005.55
  5. Step 5: Solve for x
    x = 6,533,080,005.55/107,243.92
  6. Step 6: Final answer
    x = 60,917.95

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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.