Home / 89,047.87-122,884.90-50,806.42

Finding the Fourth Proportional to 89,047.87, 122,884.90 and 50,806.42

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Solution

The fourth proportional to 89,047.87, 122,884.90 and 50,806.42 is: 70,112.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,047.87 : 122,884.90 = 50,806.42 : x
  2. Step 2: Convert to fraction form
    89,047.87/122,884.90 = 50,806.42/x
  3. Step 3: Cross multiply
    89,047.87x = 122,884.90 × 50,806.42
  4. Step 4: Simplify right side
    89,047.87x = 6,243,341,841.06
  5. Step 5: Solve for x
    x = 6,243,341,841.06/89,047.87
  6. Step 6: Final answer
    x = 70,112.20

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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.