Home / 106,981.52-147,636.81-58,585.50

Finding the Fourth Proportional to 106,981.52, 147,636.81 and 58,585.50

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Solution

The fourth proportional to 106,981.52, 147,636.81 and 58,585.50 is: 80,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,981.52 : 147,636.81 = 58,585.50 : x
  2. Step 2: Convert to fraction form
    106,981.52/147,636.81 = 58,585.50/x
  3. Step 3: Cross multiply
    106,981.52x = 147,636.81 × 58,585.50
  4. Step 4: Simplify right side
    106,981.52x = 8,649,376,332.26
  5. Step 5: Solve for x
    x = 8,649,376,332.26/106,981.52
  6. Step 6: Final answer
    x = 80,849.26

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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.