Home / 57,729.09-79,648.07-33,856.77

Finding the Fourth Proportional to 57,729.09, 79,648.07 and 33,856.77

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Solution

The fourth proportional to 57,729.09, 79,648.07 and 33,856.77 is: 46,711.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,729.09 : 79,648.07 = 33,856.77 : x
  2. Step 2: Convert to fraction form
    57,729.09/79,648.07 = 33,856.77/x
  3. Step 3: Cross multiply
    57,729.09x = 79,648.07 × 33,856.77
  4. Step 4: Simplify right side
    57,729.09x = 2,696,626,217.65
  5. Step 5: Solve for x
    x = 2,696,626,217.65/57,729.09
  6. Step 6: Final answer
    x = 46,711.74

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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.