Home / 65,927.25-90,979.71-39,082.95

Finding the Fourth Proportional to 65,927.25, 90,979.71 and 39,082.95

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Solution

The fourth proportional to 65,927.25, 90,979.71 and 39,082.95 is: 53,934.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,927.25 : 90,979.71 = 39,082.95 : x
  2. Step 2: Convert to fraction form
    65,927.25/90,979.71 = 39,082.95/x
  3. Step 3: Cross multiply
    65,927.25x = 90,979.71 × 39,082.95
  4. Step 4: Simplify right side
    65,927.25x = 3,555,754,806.63
  5. Step 5: Solve for x
    x = 3,555,754,806.63/65,927.25
  6. Step 6: Final answer
    x = 53,934.53

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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.