Home / 105,823.74-146,039.15-58,080.14

Finding the Fourth Proportional to 105,823.74, 146,039.15 and 58,080.14

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Solution

The fourth proportional to 105,823.74, 146,039.15 and 58,080.14 is: 80,151.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,823.74 : 146,039.15 = 58,080.14 : x
  2. Step 2: Convert to fraction form
    105,823.74/146,039.15 = 58,080.14/x
  3. Step 3: Cross multiply
    105,823.74x = 146,039.15 × 58,080.14
  4. Step 4: Simplify right side
    105,823.74x = 8,481,974,277.48
  5. Step 5: Solve for x
    x = 8,481,974,277.48/105,823.74
  6. Step 6: Final answer
    x = 80,151.90

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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.