Home / 86,058.35-118,726.49-49,753.10

Finding the Fourth Proportional to 86,058.35, 118,726.49 and 49,753.10

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Solution

The fourth proportional to 86,058.35, 118,726.49 and 49,753.10 is: 68,639.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,058.35 : 118,726.49 = 49,753.10 : x
  2. Step 2: Convert to fraction form
    86,058.35/118,726.49 = 49,753.10/x
  3. Step 3: Cross multiply
    86,058.35x = 118,726.49 × 49,753.10
  4. Step 4: Simplify right side
    86,058.35x = 5,907,010,929.62
  5. Step 5: Solve for x
    x = 5,907,010,929.62/86,058.35
  6. Step 6: Final answer
    x = 68,639.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.