Home / 49,065.09-67,708.76-28,650.66

Finding the Fourth Proportional to 49,065.09, 67,708.76 and 28,650.66

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Solution

The fourth proportional to 49,065.09, 67,708.76 and 28,650.66 is: 39,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,065.09 : 67,708.76 = 28,650.66 : x
  2. Step 2: Convert to fraction form
    49,065.09/67,708.76 = 28,650.66/x
  3. Step 3: Cross multiply
    49,065.09x = 67,708.76 × 28,650.66
  4. Step 4: Simplify right side
    49,065.09x = 1,939,900,518.53
  5. Step 5: Solve for x
    x = 1,939,900,518.53/49,065.09
  6. Step 6: Final answer
    x = 39,537.29

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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.