Home / 89,074.64-122,892.50-50,806.68

Finding the Fourth Proportional to 89,074.64, 122,892.50 and 50,806.68

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Solution

The fourth proportional to 89,074.64, 122,892.50 and 50,806.68 is: 70,095.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,074.64 : 122,892.50 = 50,806.68 : x
  2. Step 2: Convert to fraction form
    89,074.64/122,892.50 = 50,806.68/x
  3. Step 3: Cross multiply
    89,074.64x = 122,892.50 × 50,806.68
  4. Step 4: Simplify right side
    89,074.64x = 6,243,759,921.90
  5. Step 5: Solve for x
    x = 6,243,759,921.90/89,074.64
  6. Step 6: Final answer
    x = 70,095.82

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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.