Home / 51,067.07-70,472.55-28,711.07

Finding the Fourth Proportional to 51,067.07, 70,472.55 and 28,711.07

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Solution

The fourth proportional to 51,067.07, 70,472.55 and 28,711.07 is: 39,621.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,067.07 : 70,472.55 = 28,711.07 : x
  2. Step 2: Convert to fraction form
    51,067.07/70,472.55 = 28,711.07/x
  3. Step 3: Cross multiply
    51,067.07x = 70,472.55 × 28,711.07
  4. Step 4: Simplify right side
    51,067.07x = 2,023,342,316.13
  5. Step 5: Solve for x
    x = 2,023,342,316.13/51,067.07
  6. Step 6: Final answer
    x = 39,621.27

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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.