Home / 84,855.50-117,103.02-47,132.18

Finding the Fourth Proportional to 84,855.50, 117,103.02 and 47,132.18

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Solution

The fourth proportional to 84,855.50, 117,103.02 and 47,132.18 is: 65,043.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,855.50 : 117,103.02 = 47,132.18 : x
  2. Step 2: Convert to fraction form
    84,855.50/117,103.02 = 47,132.18/x
  3. Step 3: Cross multiply
    84,855.50x = 117,103.02 × 47,132.18
  4. Step 4: Simplify right side
    84,855.50x = 5,519,320,617.18
  5. Step 5: Solve for x
    x = 5,519,320,617.18/84,855.50
  6. Step 6: Final answer
    x = 65,043.76

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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.