Home / 84,357.90-116,408.35-48,542.13

Finding the Fourth Proportional to 84,357.90, 116,408.35 and 48,542.13

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Solution

The fourth proportional to 84,357.90, 116,408.35 and 48,542.13 is: 66,984.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,357.90 : 116,408.35 = 48,542.13 : x
  2. Step 2: Convert to fraction form
    84,357.90/116,408.35 = 48,542.13/x
  3. Step 3: Cross multiply
    84,357.90x = 116,408.35 × 48,542.13
  4. Step 4: Simplify right side
    84,357.90x = 5,650,709,258.79
  5. Step 5: Solve for x
    x = 5,650,709,258.79/84,357.90
  6. Step 6: Final answer
    x = 66,984.94

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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.