Home / 107,118.47-160,695.93-36,981.38

Finding the Fourth Proportional to 107,118.47, 160,695.93 and 36,981.38

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Solution

The fourth proportional to 107,118.47, 160,695.93 and 36,981.38 is: 55,478.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,118.47 : 160,695.93 = 36,981.38 : x
  2. Step 2: Convert to fraction form
    107,118.47/160,695.93 = 36,981.38/x
  3. Step 3: Cross multiply
    107,118.47x = 160,695.93 × 36,981.38
  4. Step 4: Simplify right side
    107,118.47x = 5,942,757,251.78
  5. Step 5: Solve for x
    x = 5,942,757,251.78/107,118.47
  6. Step 6: Final answer
    x = 55,478.36

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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.