Home / 89,693.64-123,778.74-51,453.24

Finding the Fourth Proportional to 89,693.64, 123,778.74 and 51,453.24

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Solution

The fourth proportional to 89,693.64, 123,778.74 and 51,453.24 is: 71,006.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,693.64 : 123,778.74 = 51,453.24 : x
  2. Step 2: Convert to fraction form
    89,693.64/123,778.74 = 51,453.24/x
  3. Step 3: Cross multiply
    89,693.64x = 123,778.74 × 51,453.24
  4. Step 4: Simplify right side
    89,693.64x = 6,368,817,216.12
  5. Step 5: Solve for x
    x = 6,368,817,216.12/89,693.64
  6. Step 6: Final answer
    x = 71,006.34

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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.