Home / 104,976.45-157,418.51-38,399.31

Finding the Fourth Proportional to 104,976.45, 157,418.51 and 38,399.31

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Solution

The fourth proportional to 104,976.45, 157,418.51 and 38,399.31 is: 57,582.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976.45 : 157,418.51 = 38,399.31 : x
  2. Step 2: Convert to fraction form
    104,976.45/157,418.51 = 38,399.31/x
  3. Step 3: Cross multiply
    104,976.45x = 157,418.51 × 38,399.31
  4. Step 4: Simplify right side
    104,976.45x = 6,044,761,973.23
  5. Step 5: Solve for x
    x = 6,044,761,973.23/104,976.45
  6. Step 6: Final answer
    x = 57,582.08

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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.