Home / 89,250.36-123,157.65-51,002.31

Finding the Fourth Proportional to 89,250.36, 123,157.65 and 51,002.31

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Solution

The fourth proportional to 89,250.36, 123,157.65 and 51,002.31 is: 70,378.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,250.36 : 123,157.65 = 51,002.31 : x
  2. Step 2: Convert to fraction form
    89,250.36/123,157.65 = 51,002.31/x
  3. Step 3: Cross multiply
    89,250.36x = 123,157.65 × 51,002.31
  4. Step 4: Simplify right side
    89,250.36x = 6,281,324,644.17
  5. Step 5: Solve for x
    x = 6,281,324,644.17/89,250.36
  6. Step 6: Final answer
    x = 70,378.70

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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.