Home / 89,743.66-123,846.73-51,500.16

Finding the Fourth Proportional to 89,743.66, 123,846.73 and 51,500.16

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Solution

The fourth proportional to 89,743.66, 123,846.73 and 51,500.16 is: 71,070.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,743.66 : 123,846.73 = 51,500.16 : x
  2. Step 2: Convert to fraction form
    89,743.66/123,846.73 = 51,500.16/x
  3. Step 3: Cross multiply
    89,743.66x = 123,846.73 × 51,500.16
  4. Step 4: Simplify right side
    89,743.66x = 6,378,126,410.48
  5. Step 5: Solve for x
    x = 6,378,126,410.48/89,743.66
  6. Step 6: Final answer
    x = 71,070.50

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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.