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Finding the Fourth Proportional to 81,794.52, 112,871.32 and 45,984.08

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Solution

The fourth proportional to 81,794.52, 112,871.32 and 45,984.08 is: 63,455.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,794.52 : 112,871.32 = 45,984.08 : x
  2. Step 2: Convert to fraction form
    81,794.52/112,871.32 = 45,984.08/x
  3. Step 3: Cross multiply
    81,794.52x = 112,871.32 × 45,984.08
  4. Step 4: Simplify right side
    81,794.52x = 5,190,283,808.59
  5. Step 5: Solve for x
    x = 5,190,283,808.59/81,794.52
  6. Step 6: Final answer
    x = 63,455.15

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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.