Home / 105,234.26-157,920.59-38,674.97

Finding the Fourth Proportional to 105,234.26, 157,920.59 and 38,674.97

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Solution

The fourth proportional to 105,234.26, 157,920.59 and 38,674.97 is: 58,037.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,234.26 : 157,920.59 = 38,674.97 : x
  2. Step 2: Convert to fraction form
    105,234.26/157,920.59 = 38,674.97/x
  3. Step 3: Cross multiply
    105,234.26x = 157,920.59 × 38,674.97
  4. Step 4: Simplify right side
    105,234.26x = 6,107,574,080.63
  5. Step 5: Solve for x
    x = 6,107,574,080.63/105,234.26
  6. Step 6: Final answer
    x = 58,037.89

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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.