Home / 57,079.22-78,785.16-33,210.51

Finding the Fourth Proportional to 57,079.22, 78,785.16 and 33,210.51

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Solution

The fourth proportional to 57,079.22, 78,785.16 and 33,210.51 is: 45,839.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,079.22 : 78,785.16 = 33,210.51 : x
  2. Step 2: Convert to fraction form
    57,079.22/78,785.16 = 33,210.51/x
  3. Step 3: Cross multiply
    57,079.22x = 78,785.16 × 33,210.51
  4. Step 4: Simplify right side
    57,079.22x = 2,616,494,924.05
  5. Step 5: Solve for x
    x = 2,616,494,924.05/57,079.22
  6. Step 6: Final answer
    x = 45,839.71

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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.