Home / 47,498.08-65,503.92-40,781.56

Finding the Fourth Proportional to 47,498.08, 65,503.92 and 40,781.56

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Solution

The fourth proportional to 47,498.08, 65,503.92 and 40,781.56 is: 56,241.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,498.08 : 65,503.92 = 40,781.56 : x
  2. Step 2: Convert to fraction form
    47,498.08/65,503.92 = 40,781.56/x
  3. Step 3: Cross multiply
    47,498.08x = 65,503.92 × 40,781.56
  4. Step 4: Simplify right side
    47,498.08x = 2,671,352,043.72
  5. Step 5: Solve for x
    x = 2,671,352,043.72/47,498.08
  6. Step 6: Final answer
    x = 56,241.26

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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.