Home / 89,247.22-123,140.04-50,485.93

Finding the Fourth Proportional to 89,247.22, 123,140.04 and 50,485.93

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Solution

The fourth proportional to 89,247.22, 123,140.04 and 50,485.93 is: 69,658.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,247.22 : 123,140.04 = 50,485.93 : x
  2. Step 2: Convert to fraction form
    89,247.22/123,140.04 = 50,485.93/x
  3. Step 3: Cross multiply
    89,247.22x = 123,140.04 × 50,485.93
  4. Step 4: Simplify right side
    89,247.22x = 6,216,839,861.21
  5. Step 5: Solve for x
    x = 6,216,839,861.21/89,247.22
  6. Step 6: Final answer
    x = 69,658.64

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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.