Home / 53,785.39-74,222.54-29,255.57

Finding the Fourth Proportional to 53,785.39, 74,222.54 and 29,255.57

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Solution

The fourth proportional to 53,785.39, 74,222.54 and 29,255.57 is: 40,371.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,785.39 : 74,222.54 = 29,255.57 : x
  2. Step 2: Convert to fraction form
    53,785.39/74,222.54 = 29,255.57/x
  3. Step 3: Cross multiply
    53,785.39x = 74,222.54 × 29,255.57
  4. Step 4: Simplify right side
    53,785.39x = 2,171,422,568.27
  5. Step 5: Solve for x
    x = 2,171,422,568.27/53,785.39
  6. Step 6: Final answer
    x = 40,371.98

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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.