Home / 107,411.08-161,169.56-48,289.72

Finding the Fourth Proportional to 107,411.08, 161,169.56 and 48,289.72

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Solution

The fourth proportional to 107,411.08, 161,169.56 and 48,289.72 is: 72,458.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,411.08 : 161,169.56 = 48,289.72 : x
  2. Step 2: Convert to fraction form
    107,411.08/161,169.56 = 48,289.72/x
  3. Step 3: Cross multiply
    107,411.08x = 161,169.56 × 48,289.72
  4. Step 4: Simplify right side
    107,411.08x = 7,782,832,924.92
  5. Step 5: Solve for x
    x = 7,782,832,924.92/107,411.08
  6. Step 6: Final answer
    x = 72,458.38

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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.