Home / 47,135.44-65,039.52-26,987.68

Finding the Fourth Proportional to 47,135.44, 65,039.52 and 26,987.68

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Solution

The fourth proportional to 47,135.44, 65,039.52 and 26,987.68 is: 37,238.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,135.44 : 65,039.52 = 26,987.68 : x
  2. Step 2: Convert to fraction form
    47,135.44/65,039.52 = 26,987.68/x
  3. Step 3: Cross multiply
    47,135.44x = 65,039.52 × 26,987.68
  4. Step 4: Simplify right side
    47,135.44x = 1,755,265,753.11
  5. Step 5: Solve for x
    x = 1,755,265,753.11/47,135.44
  6. Step 6: Final answer
    x = 37,238.77

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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.