Home / 105,649.18-158,465.94-39,058.18

Finding the Fourth Proportional to 105,649.18, 158,465.94 and 39,058.18

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Solution

The fourth proportional to 105,649.18, 158,465.94 and 39,058.18 is: 58,584.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,649.18 : 158,465.94 = 39,058.18 : x
  2. Step 2: Convert to fraction form
    105,649.18/158,465.94 = 39,058.18/x
  3. Step 3: Cross multiply
    105,649.18x = 158,465.94 × 39,058.18
  4. Step 4: Simplify right side
    105,649.18x = 6,189,391,208.39
  5. Step 5: Solve for x
    x = 6,189,391,208.39/105,649.18
  6. Step 6: Final answer
    x = 58,584.38

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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.