Home / 84,857.52-117,100.26-47,134.20

Finding the Fourth Proportional to 84,857.52, 117,100.26 and 47,134.20

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Solution

The fourth proportional to 84,857.52, 117,100.26 and 47,134.20 is: 65,043.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,857.52 : 117,100.26 = 47,134.20 : x
  2. Step 2: Convert to fraction form
    84,857.52/117,100.26 = 47,134.20/x
  3. Step 3: Cross multiply
    84,857.52x = 117,100.26 × 47,134.20
  4. Step 4: Simplify right side
    84,857.52x = 5,519,427,074.89
  5. Step 5: Solve for x
    x = 5,519,427,074.89/84,857.52
  6. Step 6: Final answer
    x = 65,043.46

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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.