Home / 106,681.43-147,219.50-58,933.78

Finding the Fourth Proportional to 106,681.43, 147,219.50 and 58,933.78

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Solution

The fourth proportional to 106,681.43, 147,219.50 and 58,933.78 is: 81,328.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,681.43 : 147,219.50 = 58,933.78 : x
  2. Step 2: Convert to fraction form
    106,681.43/147,219.50 = 58,933.78/x
  3. Step 3: Cross multiply
    106,681.43x = 147,219.50 × 58,933.78
  4. Step 4: Simplify right side
    106,681.43x = 8,676,200,593.94
  5. Step 5: Solve for x
    x = 8,676,200,593.94/106,681.43
  6. Step 6: Final answer
    x = 81,328.12

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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.