Home / 107,213.88-147,972.87-59,482.61

Finding the Fourth Proportional to 107,213.88, 147,972.87 and 59,482.61

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Solution

The fourth proportional to 107,213.88, 147,972.87 and 59,482.61 is: 82,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,213.88 : 147,972.87 = 59,482.61 : x
  2. Step 2: Convert to fraction form
    107,213.88/147,972.87 = 59,482.61/x
  3. Step 3: Cross multiply
    107,213.88x = 147,972.87 × 59,482.61
  4. Step 4: Simplify right side
    107,213.88x = 8,801,811,776.93
  5. Step 5: Solve for x
    x = 8,801,811,776.93/107,213.88
  6. Step 6: Final answer
    x = 82,095.82

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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.