Home / 48,135.57-66,443.79-33,078.07

Finding the Fourth Proportional to 48,135.57, 66,443.79 and 33,078.07

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Solution

The fourth proportional to 48,135.57, 66,443.79 and 33,078.07 is: 45,659.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,135.57 : 66,443.79 = 33,078.07 : x
  2. Step 2: Convert to fraction form
    48,135.57/66,443.79 = 33,078.07/x
  3. Step 3: Cross multiply
    48,135.57x = 66,443.79 × 33,078.07
  4. Step 4: Simplify right side
    48,135.57x = 2,197,832,543.78
  5. Step 5: Solve for x
    x = 2,197,832,543.78/48,135.57
  6. Step 6: Final answer
    x = 45,659.22

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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.