Home / 81,009.24-111,795.42-47,015.16

Finding the Fourth Proportional to 81,009.24, 111,795.42 and 47,015.16

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Solution

The fourth proportional to 81,009.24, 111,795.42 and 47,015.16 is: 64,882.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,009.24 : 111,795.42 = 47,015.16 : x
  2. Step 2: Convert to fraction form
    81,009.24/111,795.42 = 47,015.16/x
  3. Step 3: Cross multiply
    81,009.24x = 111,795.42 × 47,015.16
  4. Step 4: Simplify right side
    81,009.24x = 5,256,079,558.57
  5. Step 5: Solve for x
    x = 5,256,079,558.57/81,009.24
  6. Step 6: Final answer
    x = 64,882.47

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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.