Home / 81,634.56-112,654.08-45,824.64

Finding the Fourth Proportional to 81,634.56, 112,654.08 and 45,824.64

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Solution

The fourth proportional to 81,634.56, 112,654.08 and 45,824.64 is: 63,237.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,634.56 : 112,654.08 = 45,824.64 : x
  2. Step 2: Convert to fraction form
    81,634.56/112,654.08 = 45,824.64/x
  3. Step 3: Cross multiply
    81,634.56x = 112,654.08 × 45,824.64
  4. Step 4: Simplify right side
    81,634.56x = 5,162,332,660.53
  5. Step 5: Solve for x
    x = 5,162,332,660.53/81,634.56
  6. Step 6: Final answer
    x = 63,237.10

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1.5x scale

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.