Home / 81,231.39-112,069.58-48,973.14

Finding the Fourth Proportional to 81,231.39, 112,069.58 and 48,973.14

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Solution

The fourth proportional to 81,231.39, 112,069.58 and 48,973.14 is: 67,565.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,231.39 : 112,069.58 = 48,973.14 : x
  2. Step 2: Convert to fraction form
    81,231.39/112,069.58 = 48,973.14/x
  3. Step 3: Cross multiply
    81,231.39x = 112,069.58 × 48,973.14
  4. Step 4: Simplify right side
    81,231.39x = 5,488,398,986.22
  5. Step 5: Solve for x
    x = 5,488,398,986.22/81,231.39
  6. Step 6: Final answer
    x = 67,565.00

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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.