Home / 81,009.24-111,787.40-50,793.24

Finding the Fourth Proportional to 81,009.24, 111,787.40 and 50,793.24

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Solution

The fourth proportional to 81,009.24, 111,787.40 and 50,793.24 is: 70,091.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,009.24 : 111,787.40 = 50,793.24 : x
  2. Step 2: Convert to fraction form
    81,009.24/111,787.40 = 50,793.24/x
  3. Step 3: Cross multiply
    81,009.24x = 111,787.40 × 50,793.24
  4. Step 4: Simplify right side
    81,009.24x = 5,678,044,237.18
  5. Step 5: Solve for x
    x = 5,678,044,237.18/81,009.24
  6. Step 6: Final answer
    x = 70,091.32

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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.