Home / 105,058.49-157,587.62-38,503.82

Finding the Fourth Proportional to 105,058.49, 157,587.62 and 38,503.82

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Solution

The fourth proportional to 105,058.49, 157,587.62 and 38,503.82 is: 57,755.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,058.49 : 157,587.62 = 38,503.82 : x
  2. Step 2: Convert to fraction form
    105,058.49/157,587.62 = 38,503.82/x
  3. Step 3: Cross multiply
    105,058.49x = 157,587.62 × 38,503.82
  4. Step 4: Simplify right side
    105,058.49x = 6,067,725,556.16
  5. Step 5: Solve for x
    x = 6,067,725,556.16/105,058.49
  6. Step 6: Final answer
    x = 57,755.69

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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.