Home / 107,238.18-147,976.68-59,479.56

Finding the Fourth Proportional to 107,238.18, 147,976.68 and 59,479.56

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Solution

The fourth proportional to 107,238.18, 147,976.68 and 59,479.56 is: 82,075.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,238.18 : 147,976.68 = 59,479.56 : x
  2. Step 2: Convert to fraction form
    107,238.18/147,976.68 = 59,479.56/x
  3. Step 3: Cross multiply
    107,238.18x = 147,976.68 × 59,479.56
  4. Step 4: Simplify right side
    107,238.18x = 8,801,587,816.66
  5. Step 5: Solve for x
    x = 8,801,587,816.66/107,238.18
  6. Step 6: Final answer
    x = 82,075.13

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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.