Home / 89,080.64-122,900.76-50,812.68

Finding the Fourth Proportional to 89,080.64, 122,900.76 and 50,812.68

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Solution

The fourth proportional to 89,080.64, 122,900.76 and 50,812.68 is: 70,104.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,080.64 : 122,900.76 = 50,812.68 : x
  2. Step 2: Convert to fraction form
    89,080.64/122,900.76 = 50,812.68/x
  3. Step 3: Cross multiply
    89,080.64x = 122,900.76 × 50,812.68
  4. Step 4: Simplify right side
    89,080.64x = 6,244,916,989.64
  5. Step 5: Solve for x
    x = 6,244,916,989.64/89,080.64
  6. Step 6: Final answer
    x = 70,104.09

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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.