Home / 89,069.52-123,072.30-70,100.04

Finding the Fourth Proportional to 89,069.52, 123,072.30 and 70,100.04

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Solution

The fourth proportional to 89,069.52, 123,072.30 and 70,100.04 is: 96,861.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,069.52 : 123,072.30 = 70,100.04 : x
  2. Step 2: Convert to fraction form
    89,069.52/123,072.30 = 70,100.04/x
  3. Step 3: Cross multiply
    89,069.52x = 123,072.30 × 70,100.04
  4. Step 4: Simplify right side
    89,069.52x = 8,627,373,152.89
  5. Step 5: Solve for x
    x = 8,627,373,152.89/89,069.52
  6. Step 6: Final answer
    x = 96,861.12

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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.