Home / 47,888.72-66,087.60-27,745.64

Finding the Fourth Proportional to 47,888.72, 66,087.60 and 27,745.64

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Solution

The fourth proportional to 47,888.72, 66,087.60 and 27,745.64 is: 38,289.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,888.72 : 66,087.60 = 27,745.64 : x
  2. Step 2: Convert to fraction form
    47,888.72/66,087.60 = 27,745.64/x
  3. Step 3: Cross multiply
    47,888.72x = 66,087.60 × 27,745.64
  4. Step 4: Simplify right side
    47,888.72x = 1,833,642,758.06
  5. Step 5: Solve for x
    x = 1,833,642,758.06/47,888.72
  6. Step 6: Final answer
    x = 38,289.66

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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.