Home / 89,500.32-123,510.24-49,216.56

Finding the Fourth Proportional to 89,500.32, 123,510.24 and 49,216.56

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Solution

The fourth proportional to 89,500.32, 123,510.24 and 49,216.56 is: 67,918.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,500.32 : 123,510.24 = 49,216.56 : x
  2. Step 2: Convert to fraction form
    89,500.32/123,510.24 = 49,216.56/x
  3. Step 3: Cross multiply
    89,500.32x = 123,510.24 × 49,216.56
  4. Step 4: Simplify right side
    89,500.32x = 6,078,749,137.57
  5. Step 5: Solve for x
    x = 6,078,749,137.57/89,500.32
  6. Step 6: Final answer
    x = 67,918.74

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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.