Home / 105,310.86-157,976.19-38,752.26

Finding the Fourth Proportional to 105,310.86, 157,976.19 and 38,752.26

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Solution

The fourth proportional to 105,310.86, 157,976.19 and 38,752.26 is: 58,132.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,310.86 : 157,976.19 = 38,752.26 : x
  2. Step 2: Convert to fraction form
    105,310.86/157,976.19 = 38,752.26/x
  3. Step 3: Cross multiply
    105,310.86x = 157,976.19 × 38,752.26
  4. Step 4: Simplify right side
    105,310.86x = 6,121,934,388.69
  5. Step 5: Solve for x
    x = 6,121,934,388.69/105,310.86
  6. Step 6: Final answer
    x = 58,132.03

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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.