Home / 84,927.28-117,198.48-47,200.72

Finding the Fourth Proportional to 84,927.28, 117,198.48 and 47,200.72

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Solution

The fourth proportional to 84,927.28, 117,198.48 and 47,200.72 is: 65,136.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,927.28 : 117,198.48 = 47,200.72 : x
  2. Step 2: Convert to fraction form
    84,927.28/117,198.48 = 47,200.72/x
  3. Step 3: Cross multiply
    84,927.28x = 117,198.48 × 47,200.72
  4. Step 4: Simplify right side
    84,927.28x = 5,531,852,638.91
  5. Step 5: Solve for x
    x = 5,531,852,638.91/84,927.28
  6. Step 6: Final answer
    x = 65,136.35

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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.