Home / 67,122.30-92,621.55-38,822.46

Finding the Fourth Proportional to 67,122.30, 92,621.55 and 38,822.46

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Solution

The fourth proportional to 67,122.30, 92,621.55 and 38,822.46 is: 53,570.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,122.30 : 92,621.55 = 38,822.46 : x
  2. Step 2: Convert to fraction form
    67,122.30/92,621.55 = 38,822.46/x
  3. Step 3: Cross multiply
    67,122.30x = 92,621.55 × 38,822.46
  4. Step 4: Simplify right side
    67,122.30x = 3,595,796,420.01
  5. Step 5: Solve for x
    x = 3,595,796,420.01/67,122.30
  6. Step 6: Final answer
    x = 53,570.82

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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.