Home / 89,049.57-122,900.05-50,800.29

Finding the Fourth Proportional to 89,049.57, 122,900.05 and 50,800.29

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Solution

The fourth proportional to 89,049.57, 122,900.05 and 50,800.29 is: 70,111.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,049.57 : 122,900.05 = 50,800.29 : x
  2. Step 2: Convert to fraction form
    89,049.57/122,900.05 = 50,800.29/x
  3. Step 3: Cross multiply
    89,049.57x = 122,900.05 × 50,800.29
  4. Step 4: Simplify right side
    89,049.57x = 6,243,358,181.01
  5. Step 5: Solve for x
    x = 6,243,358,181.01/89,049.57
  6. Step 6: Final answer
    x = 70,111.04

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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.