Home / 89,492.75-123,496.84-49,206.23

Finding the Fourth Proportional to 89,492.75, 123,496.84 and 49,206.23

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Solution

The fourth proportional to 89,492.75, 123,496.84 and 49,206.23 is: 67,902.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,492.75 : 123,496.84 = 49,206.23 : x
  2. Step 2: Convert to fraction form
    89,492.75/123,496.84 = 49,206.23/x
  3. Step 3: Cross multiply
    89,492.75x = 123,496.84 × 49,206.23
  4. Step 4: Simplify right side
    89,492.75x = 6,076,813,667.28
  5. Step 5: Solve for x
    x = 6,076,813,667.28/89,492.75
  6. Step 6: Final answer
    x = 67,902.86

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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.