Home / 105,788.62-158,685.23-38,326.68

Finding the Fourth Proportional to 105,788.62, 158,685.23 and 38,326.68

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Solution

The fourth proportional to 105,788.62, 158,685.23 and 38,326.68 is: 57,490.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,788.62 : 158,685.23 = 38,326.68 : x
  2. Step 2: Convert to fraction form
    105,788.62/158,685.23 = 38,326.68/x
  3. Step 3: Cross multiply
    105,788.62x = 158,685.23 × 38,326.68
  4. Step 4: Simplify right side
    105,788.62x = 6,081,878,030.94
  5. Step 5: Solve for x
    x = 6,081,878,030.94/105,788.62
  6. Step 6: Final answer
    x = 57,490.85

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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.