Home / 106,981.39-147,636.63-58,585.36

Finding the Fourth Proportional to 106,981.39, 147,636.63 and 58,585.36

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Solution

The fourth proportional to 106,981.39, 147,636.63 and 58,585.36 is: 80,849.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,981.39 : 147,636.63 = 58,585.36 : x
  2. Step 2: Convert to fraction form
    106,981.39/147,636.63 = 58,585.36/x
  3. Step 3: Cross multiply
    106,981.39x = 147,636.63 × 58,585.36
  4. Step 4: Simplify right side
    106,981.39x = 8,649,345,117.74
  5. Step 5: Solve for x
    x = 8,649,345,117.74/106,981.39
  6. Step 6: Final answer
    x = 80,849.06

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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.