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Finding the Fourth Proportional to 65,952.75, 91,139.00 and 50,007.63

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Solution

The fourth proportional to 65,952.75, 91,139.00 and 50,007.63 is: 69,104.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,952.75 : 91,139.00 = 50,007.63 : x
  2. Step 2: Convert to fraction form
    65,952.75/91,139.00 = 50,007.63/x
  3. Step 3: Cross multiply
    65,952.75x = 91,139.00 × 50,007.63
  4. Step 4: Simplify right side
    65,952.75x = 4,557,645,140.53
  5. Step 5: Solve for x
    x = 4,557,645,140.53/65,952.75
  6. Step 6: Final answer
    x = 69,104.70

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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.