Home / 84,844.02-117,081.54-47,120.70

Finding the Fourth Proportional to 84,844.02, 117,081.54 and 47,120.70

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Solution

The fourth proportional to 84,844.02, 117,081.54 and 47,120.70 is: 65,024.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,844.02 : 117,081.54 = 47,120.70 : x
  2. Step 2: Convert to fraction form
    84,844.02/117,081.54 = 47,120.70/x
  3. Step 3: Cross multiply
    84,844.02x = 117,081.54 × 47,120.70
  4. Step 4: Simplify right side
    84,844.02x = 5,516,964,121.88
  5. Step 5: Solve for x
    x = 5,516,964,121.88/84,844.02
  6. Step 6: Final answer
    x = 65,024.78

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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.