Home / 84,408.48-116,426.16-54,181.44

Finding the Fourth Proportional to 84,408.48, 116,426.16 and 54,181.44

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Solution

The fourth proportional to 84,408.48, 116,426.16 and 54,181.44 is: 74,733.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,408.48 : 116,426.16 = 54,181.44 : x
  2. Step 2: Convert to fraction form
    84,408.48/116,426.16 = 54,181.44/x
  3. Step 3: Cross multiply
    84,408.48x = 116,426.16 × 54,181.44
  4. Step 4: Simplify right side
    84,408.48x = 6,308,137,002.47
  5. Step 5: Solve for x
    x = 6,308,137,002.47/84,408.48
  6. Step 6: Final answer
    x = 74,733.45

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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.