Home / 47,931.36-71,786.16-46,270.56

Finding the Fourth Proportional to 47,931.36, 71,786.16 and 46,270.56

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Solution

The fourth proportional to 47,931.36, 71,786.16 and 46,270.56 is: 69,298.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,931.36 : 71,786.16 = 46,270.56 : x
  2. Step 2: Convert to fraction form
    47,931.36/71,786.16 = 46,270.56/x
  3. Step 3: Cross multiply
    47,931.36x = 71,786.16 × 46,270.56
  4. Step 4: Simplify right side
    47,931.36x = 3,321,585,823.45
  5. Step 5: Solve for x
    x = 3,321,585,823.45/47,931.36
  6. Step 6: Final answer
    x = 69,298.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.