Home / 67,085.28-92,579.76-50,289.12

Finding the Fourth Proportional to 67,085.28, 92,579.76 and 50,289.12

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Solution

The fourth proportional to 67,085.28, 92,579.76 and 50,289.12 is: 69,400.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,085.28 : 92,579.76 = 50,289.12 : x
  2. Step 2: Convert to fraction form
    67,085.28/92,579.76 = 50,289.12/x
  3. Step 3: Cross multiply
    67,085.28x = 92,579.76 × 50,289.12
  4. Step 4: Simplify right side
    67,085.28x = 4,655,754,660.21
  5. Step 5: Solve for x
    x = 4,655,754,660.21/67,085.28
  6. Step 6: Final answer
    x = 69,400.54

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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.