Home / 89,088.53-122,942.21-48,803.75

Finding the Fourth Proportional to 89,088.53, 122,942.21 and 48,803.75

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Solution

The fourth proportional to 89,088.53, 122,942.21 and 48,803.75 is: 67,349.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,088.53 : 122,942.21 = 48,803.75 : x
  2. Step 2: Convert to fraction form
    89,088.53/122,942.21 = 48,803.75/x
  3. Step 3: Cross multiply
    89,088.53x = 122,942.21 × 48,803.75
  4. Step 4: Simplify right side
    89,088.53x = 6,000,040,022.56
  5. Step 5: Solve for x
    x = 6,000,040,022.56/89,088.53
  6. Step 6: Final answer
    x = 67,349.19

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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.