Home / 67,122.42-92,629.28-36,909.69

Finding the Fourth Proportional to 67,122.42, 92,629.28 and 36,909.69

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Solution

The fourth proportional to 67,122.42, 92,629.28 and 36,909.69 is: 50,935.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,122.42 : 92,629.28 = 36,909.69 : x
  2. Step 2: Convert to fraction form
    67,122.42/92,629.28 = 36,909.69/x
  3. Step 3: Cross multiply
    67,122.42x = 92,629.28 × 36,909.69
  4. Step 4: Simplify right side
    67,122.42x = 3,418,918,009.72
  5. Step 5: Solve for x
    x = 3,418,918,009.72/67,122.42
  6. Step 6: Final answer
    x = 50,935.56

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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.