Home / 66,711.52-100,067.27-31,632.04

Finding the Fourth Proportional to 66,711.52, 100,067.27 and 31,632.04

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Solution

The fourth proportional to 66,711.52, 100,067.27 and 31,632.04 is: 47,448.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,711.52 : 100,067.27 = 31,632.04 : x
  2. Step 2: Convert to fraction form
    66,711.52/100,067.27 = 31,632.04/x
  3. Step 3: Cross multiply
    66,711.52x = 100,067.27 × 31,632.04
  4. Step 4: Simplify right side
    66,711.52x = 3,165,331,887.33
  5. Step 5: Solve for x
    x = 3,165,331,887.33/66,711.52
  6. Step 6: Final answer
    x = 47,448.06

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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.