Home / 66,340.30-91,452.90-50,397.07

Finding the Fourth Proportional to 66,340.30, 91,452.90 and 50,397.07

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Solution

The fourth proportional to 66,340.30, 91,452.90 and 50,397.07 is: 69,474.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,340.30 : 91,452.90 = 50,397.07 : x
  2. Step 2: Convert to fraction form
    66,340.30/91,452.90 = 50,397.07/x
  3. Step 3: Cross multiply
    66,340.30x = 91,452.90 × 50,397.07
  4. Step 4: Simplify right side
    66,340.30x = 4,608,958,203.00
  5. Step 5: Solve for x
    x = 4,608,958,203.00/66,340.30
  6. Step 6: Final answer
    x = 69,474.49

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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.