Home / 105,932.61-158,924.43-39,374.91

Finding the Fourth Proportional to 105,932.61, 158,924.43 and 39,374.91

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Solution

The fourth proportional to 105,932.61, 158,924.43 and 39,374.91 is: 59,071.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,932.61 : 158,924.43 = 39,374.91 : x
  2. Step 2: Convert to fraction form
    105,932.61/158,924.43 = 39,374.91/x
  3. Step 3: Cross multiply
    105,932.61x = 158,924.43 × 39,374.91
  4. Step 4: Simplify right side
    105,932.61x = 6,257,635,128.05
  5. Step 5: Solve for x
    x = 6,257,635,128.05/105,932.61
  6. Step 6: Final answer
    x = 59,071.85

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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.