Home / 48,439.43-66,879.01-43,319.06

Finding the Fourth Proportional to 48,439.43, 66,879.01 and 43,319.06

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Solution

The fourth proportional to 48,439.43, 66,879.01 and 43,319.06 is: 59,809.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,439.43 : 66,879.01 = 43,319.06 : x
  2. Step 2: Convert to fraction form
    48,439.43/66,879.01 = 43,319.06/x
  3. Step 3: Cross multiply
    48,439.43x = 66,879.01 × 43,319.06
  4. Step 4: Simplify right side
    48,439.43x = 2,897,135,846.93
  5. Step 5: Solve for x
    x = 2,897,135,846.93/48,439.43
  6. Step 6: Final answer
    x = 59,809.45

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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.