Home / 81,009.72-111,794.40-47,026.08

Finding the Fourth Proportional to 81,009.72, 111,794.40 and 47,026.08

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Solution

The fourth proportional to 81,009.72, 111,794.40 and 47,026.08 is: 64,896.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,009.72 : 111,794.40 = 47,026.08 : x
  2. Step 2: Convert to fraction form
    81,009.72/111,794.40 = 47,026.08/x
  3. Step 3: Cross multiply
    81,009.72x = 111,794.40 × 47,026.08
  4. Step 4: Simplify right side
    81,009.72x = 5,257,252,397.95
  5. Step 5: Solve for x
    x = 5,257,252,397.95/81,009.72
  6. Step 6: Final answer
    x = 64,896.56

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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.