Home / 103,240.99-154,875.88-33,141.79

Finding the Fourth Proportional to 103,240.99, 154,875.88 and 33,141.79

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Solution

The fourth proportional to 103,240.99, 154,875.88 and 33,141.79 is: 49,717.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,240.99 : 154,875.88 = 33,141.79 : x
  2. Step 2: Convert to fraction form
    103,240.99/154,875.88 = 33,141.79/x
  3. Step 3: Cross multiply
    103,240.99x = 154,875.88 × 33,141.79
  4. Step 4: Simplify right side
    103,240.99x = 5,132,863,116.65
  5. Step 5: Solve for x
    x = 5,132,863,116.65/103,240.99
  6. Step 6: Final answer
    x = 49,717.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.