Home / 89,156.96-123,028.44-51,423.92

Finding the Fourth Proportional to 89,156.96, 123,028.44 and 51,423.92

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Solution

The fourth proportional to 89,156.96, 123,028.44 and 51,423.92 is: 70,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,156.96 : 123,028.44 = 51,423.92 : x
  2. Step 2: Convert to fraction form
    89,156.96/123,028.44 = 51,423.92/x
  3. Step 3: Cross multiply
    89,156.96x = 123,028.44 × 51,423.92
  4. Step 4: Simplify right side
    89,156.96x = 6,326,604,656.28
  5. Step 5: Solve for x
    x = 6,326,604,656.28/89,156.96
  6. Step 6: Final answer
    x = 70,960.30

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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.