Home / 89,424.33-123,405.21-51,183.69

Finding the Fourth Proportional to 89,424.33, 123,405.21 and 51,183.69

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Solution

The fourth proportional to 89,424.33, 123,405.21 and 51,183.69 is: 70,633.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,424.33 : 123,405.21 = 51,183.69 : x
  2. Step 2: Convert to fraction form
    89,424.33/123,405.21 = 51,183.69/x
  3. Step 3: Cross multiply
    89,424.33x = 123,405.21 × 51,183.69
  4. Step 4: Simplify right side
    89,424.33x = 6,316,334,013.02
  5. Step 5: Solve for x
    x = 6,316,334,013.02/89,424.33
  6. Step 6: Final answer
    x = 70,633.28

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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.