Home / 47,712.53-65,789.51-39,071.77

Finding the Fourth Proportional to 47,712.53, 65,789.51 and 39,071.77

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Solution

The fourth proportional to 47,712.53, 65,789.51 and 39,071.77 is: 53,874.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,712.53 : 65,789.51 = 39,071.77 : x
  2. Step 2: Convert to fraction form
    47,712.53/65,789.51 = 39,071.77/x
  3. Step 3: Cross multiply
    47,712.53x = 65,789.51 × 39,071.77
  4. Step 4: Simplify right side
    47,712.53x = 2,570,512,243.30
  5. Step 5: Solve for x
    x = 2,570,512,243.30/47,712.53
  6. Step 6: Final answer
    x = 53,874.99

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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.