Home / 74,062.31-111,019.62-47,785.51

Finding the Fourth Proportional to 74,062.31, 111,019.62 and 47,785.51

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Solution

The fourth proportional to 74,062.31, 111,019.62 and 47,785.51 is: 71,630.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,062.31 : 111,019.62 = 47,785.51 : x
  2. Step 2: Convert to fraction form
    74,062.31/111,019.62 = 47,785.51/x
  3. Step 3: Cross multiply
    74,062.31x = 111,019.62 × 47,785.51
  4. Step 4: Simplify right side
    74,062.31x = 5,305,128,606.61
  5. Step 5: Solve for x
    x = 5,305,128,606.61/74,062.31
  6. Step 6: Final answer
    x = 71,630.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.