Home / 105,818.42-158,727.17-38,334.65

Finding the Fourth Proportional to 105,818.42, 158,727.17 and 38,334.65

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Solution

The fourth proportional to 105,818.42, 158,727.17 and 38,334.65 is: 57,501.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,818.42 : 158,727.17 = 38,334.65 : x
  2. Step 2: Convert to fraction form
    105,818.42/158,727.17 = 38,334.65/x
  3. Step 3: Cross multiply
    105,818.42x = 158,727.17 × 38,334.65
  4. Step 4: Simplify right side
    105,818.42x = 6,084,749,522.13
  5. Step 5: Solve for x
    x = 6,084,749,522.13/105,818.42
  6. Step 6: Final answer
    x = 57,501.80

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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.