Home / 83,037.69-124,556.04-71,758.77

Finding the Fourth Proportional to 83,037.69, 124,556.04 and 71,758.77

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Solution

The fourth proportional to 83,037.69, 124,556.04 and 71,758.77 is: 107,637.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,037.69 : 124,556.04 = 71,758.77 : x
  2. Step 2: Convert to fraction form
    83,037.69/124,556.04 = 71,758.77/x
  3. Step 3: Cross multiply
    83,037.69x = 124,556.04 × 71,758.77
  4. Step 4: Simplify right side
    83,037.69x = 8,937,988,226.47
  5. Step 5: Solve for x
    x = 8,937,988,226.47/83,037.69
  6. Step 6: Final answer
    x = 107,637.73

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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.