Home / 106,929.69-147,560.67-58,531.56

Finding the Fourth Proportional to 106,929.69, 147,560.67 and 58,531.56

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Solution

The fourth proportional to 106,929.69, 147,560.67 and 58,531.56 is: 80,772.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,929.69 : 147,560.67 = 58,531.56 : x
  2. Step 2: Convert to fraction form
    106,929.69/147,560.67 = 58,531.56/x
  3. Step 3: Cross multiply
    106,929.69x = 147,560.67 × 58,531.56
  4. Step 4: Simplify right side
    106,929.69x = 8,636,956,209.75
  5. Step 5: Solve for x
    x = 8,636,956,209.75/106,929.69
  6. Step 6: Final answer
    x = 80,772.29

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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.