Home / 81,867.44-112,977.24-48,335.60

Finding the Fourth Proportional to 81,867.44, 112,977.24 and 48,335.60

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Solution

The fourth proportional to 81,867.44, 112,977.24 and 48,335.60 is: 66,703.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,867.44 : 112,977.24 = 48,335.60 : x
  2. Step 2: Convert to fraction form
    81,867.44/112,977.24 = 48,335.60/x
  3. Step 3: Cross multiply
    81,867.44x = 112,977.24 × 48,335.60
  4. Step 4: Simplify right side
    81,867.44x = 5,460,822,681.74
  5. Step 5: Solve for x
    x = 5,460,822,681.74/81,867.44
  6. Step 6: Final answer
    x = 66,703.23

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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.