Home / 84,860.48-117,110.40-47,138.24

Finding the Fourth Proportional to 84,860.48, 117,110.40 and 47,138.24

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Solution

The fourth proportional to 84,860.48, 117,110.40 and 47,138.24 is: 65,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,860.48 : 117,110.40 = 47,138.24 : x
  2. Step 2: Convert to fraction form
    84,860.48/117,110.40 = 47,138.24/x
  3. Step 3: Cross multiply
    84,860.48x = 117,110.40 × 47,138.24
  4. Step 4: Simplify right side
    84,860.48x = 5,520,378,141.70
  5. Step 5: Solve for x
    x = 5,520,378,141.70/84,860.48
  6. Step 6: Final answer
    x = 65,052.40

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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.