Home / 84,942.02-117,216.78-47,218.70

Finding the Fourth Proportional to 84,942.02, 117,216.78 and 47,218.70

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Solution

The fourth proportional to 84,942.02, 117,216.78 and 47,218.70 is: 65,160.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,942.02 : 117,216.78 = 47,218.70 : x
  2. Step 2: Convert to fraction form
    84,942.02/117,216.78 = 47,218.70/x
  3. Step 3: Cross multiply
    84,942.02x = 117,216.78 × 47,218.70
  4. Step 4: Simplify right side
    84,942.02x = 5,534,823,969.79
  5. Step 5: Solve for x
    x = 5,534,823,969.79/84,942.02
  6. Step 6: Final answer
    x = 65,160.02

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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.