Home / 89,515.08-123,528.34-49,228.84

Finding the Fourth Proportional to 89,515.08, 123,528.34 and 49,228.84

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Solution

The fourth proportional to 89,515.08, 123,528.34 and 49,228.84 is: 67,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,515.08 : 123,528.34 = 49,228.84 : x
  2. Step 2: Convert to fraction form
    89,515.08/123,528.34 = 49,228.84/x
  3. Step 3: Cross multiply
    89,515.08x = 123,528.34 × 49,228.84
  4. Step 4: Simplify right side
    89,515.08x = 6,081,156,499.58
  5. Step 5: Solve for x
    x = 6,081,156,499.58/89,515.08
  6. Step 6: Final answer
    x = 67,934.44

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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.