Home / 51,085.60-70,498.47-28,425.54

Finding the Fourth Proportional to 51,085.60, 70,498.47 and 28,425.54

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Solution

The fourth proportional to 51,085.60, 70,498.47 and 28,425.54 is: 39,227.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,085.60 : 70,498.47 = 28,425.54 : x
  2. Step 2: Convert to fraction form
    51,085.60/70,498.47 = 28,425.54/x
  3. Step 3: Cross multiply
    51,085.60x = 70,498.47 × 28,425.54
  4. Step 4: Simplify right side
    51,085.60x = 2,003,957,078.92
  5. Step 5: Solve for x
    x = 2,003,957,078.92/51,085.60
  6. Step 6: Final answer
    x = 39,227.44

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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.