Home / 83,037.96-124,556.94-20,708.46

Finding the Fourth Proportional to 83,037.96, 124,556.94 and 20,708.46

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Solution

The fourth proportional to 83,037.96, 124,556.94 and 20,708.46 is: 31,062.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,037.96 : 124,556.94 = 20,708.46 : x
  2. Step 2: Convert to fraction form
    83,037.96/124,556.94 = 20,708.46/x
  3. Step 3: Cross multiply
    83,037.96x = 124,556.94 × 20,708.46
  4. Step 4: Simplify right side
    83,037.96x = 2,579,382,409.71
  5. Step 5: Solve for x
    x = 2,579,382,409.71/83,037.96
  6. Step 6: Final answer
    x = 31,062.69

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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.