Home / 81,569.32-112,629.40-52,902.64

Finding the Fourth Proportional to 81,569.32, 112,629.40 and 52,902.64

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Solution

The fourth proportional to 81,569.32, 112,629.40 and 52,902.64 is: 73,046.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,569.32 : 112,629.40 = 52,902.64 : x
  2. Step 2: Convert to fraction form
    81,569.32/112,629.40 = 52,902.64/x
  3. Step 3: Cross multiply
    81,569.32x = 112,629.40 × 52,902.64
  4. Step 4: Simplify right side
    81,569.32x = 5,958,392,601.62
  5. Step 5: Solve for x
    x = 5,958,392,601.62/81,569.32
  6. Step 6: Final answer
    x = 73,046.98

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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.