Home / 86,058.86-118,466.40-74,661.26

Finding the Fourth Proportional to 86,058.86, 118,466.40 and 74,661.26

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Solution

The fourth proportional to 86,058.86, 118,466.40 and 74,661.26 is: 102,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,058.86 : 118,466.40 = 74,661.26 : x
  2. Step 2: Convert to fraction form
    86,058.86/118,466.40 = 74,661.26/x
  3. Step 3: Cross multiply
    86,058.86x = 118,466.40 × 74,661.26
  4. Step 4: Simplify right side
    86,058.86x = 8,844,850,691.66
  5. Step 5: Solve for x
    x = 8,844,850,691.66/86,058.86
  6. Step 6: Final answer
    x = 102,776.76

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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.