Home / 53,931.48-80,838.78-27,600.12

Finding the Fourth Proportional to 53,931.48, 80,838.78 and 27,600.12

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Solution

The fourth proportional to 53,931.48, 80,838.78 and 27,600.12 is: 41,370.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,931.48 : 80,838.78 = 27,600.12 : x
  2. Step 2: Convert to fraction form
    53,931.48/80,838.78 = 27,600.12/x
  3. Step 3: Cross multiply
    53,931.48x = 80,838.78 × 27,600.12
  4. Step 4: Simplify right side
    53,931.48x = 2,231,160,028.65
  5. Step 5: Solve for x
    x = 2,231,160,028.65/53,931.48
  6. Step 6: Final answer
    x = 41,370.27

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1.5x scale

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.