Home / 107,315.76-160,864.20-48,135.54

Finding the Fourth Proportional to 107,315.76, 160,864.20 and 48,135.54

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Solution

The fourth proportional to 107,315.76, 160,864.20 and 48,135.54 is: 72,154.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,315.76 : 160,864.20 = 48,135.54 : x
  2. Step 2: Convert to fraction form
    107,315.76/160,864.20 = 48,135.54/x
  3. Step 3: Cross multiply
    107,315.76x = 160,864.20 × 48,135.54
  4. Step 4: Simplify right side
    107,315.76x = 7,743,285,133.67
  5. Step 5: Solve for x
    x = 7,743,285,133.67/107,315.76
  6. Step 6: Final answer
    x = 72,154.22

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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.