Home / 89,515.48-123,528.88-49,229.24

Finding the Fourth Proportional to 89,515.48, 123,528.88 and 49,229.24

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Solution

The fourth proportional to 89,515.48, 123,528.88 and 49,229.24 is: 67,934.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,515.48 : 123,528.88 = 49,229.24 : x
  2. Step 2: Convert to fraction form
    89,515.48/123,528.88 = 49,229.24/x
  3. Step 3: Cross multiply
    89,515.48x = 123,528.88 × 49,229.24
  4. Step 4: Simplify right side
    89,515.48x = 6,081,232,880.45
  5. Step 5: Solve for x
    x = 6,081,232,880.45/89,515.48
  6. Step 6: Final answer
    x = 67,934.99

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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.