Home / 106,981.77-147,637.16-58,585.75

Finding the Fourth Proportional to 106,981.77, 147,637.16 and 58,585.75

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Solution

The fourth proportional to 106,981.77, 147,637.16 and 58,585.75 is: 80,849.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,981.77 : 147,637.16 = 58,585.75 : x
  2. Step 2: Convert to fraction form
    106,981.77/147,637.16 = 58,585.75/x
  3. Step 3: Cross multiply
    106,981.77x = 147,637.16 × 58,585.75
  4. Step 4: Simplify right side
    106,981.77x = 8,649,433,453.54
  5. Step 5: Solve for x
    x = 8,649,433,453.54/106,981.77
  6. Step 6: Final answer
    x = 80,849.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.