Home / 67,122.10-92,628.84-36,909.37

Finding the Fourth Proportional to 67,122.10, 92,628.84 and 36,909.37

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Solution

The fourth proportional to 67,122.10, 92,628.84 and 36,909.37 is: 50,935.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,122.10 : 92,628.84 = 36,909.37 : x
  2. Step 2: Convert to fraction form
    67,122.10/92,628.84 = 36,909.37/x
  3. Step 3: Cross multiply
    67,122.10x = 92,628.84 × 36,909.37
  4. Step 4: Simplify right side
    67,122.10x = 3,418,872,128.23
  5. Step 5: Solve for x
    x = 3,418,872,128.23/67,122.10
  6. Step 6: Final answer
    x = 50,935.12

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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.