Home / 86,578.12-119,477.19-48,335.41

Finding the Fourth Proportional to 86,578.12, 119,477.19 and 48,335.41

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Solution

The fourth proportional to 86,578.12, 119,477.19 and 48,335.41 is: 66,702.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,578.12 : 119,477.19 = 48,335.41 : x
  2. Step 2: Convert to fraction form
    86,578.12/119,477.19 = 48,335.41/x
  3. Step 3: Cross multiply
    86,578.12x = 119,477.19 × 48,335.41
  4. Step 4: Simplify right side
    86,578.12x = 5,774,978,964.30
  5. Step 5: Solve for x
    x = 5,774,978,964.30/86,578.12
  6. Step 6: Final answer
    x = 66,702.52

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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.