Home / 100,864.92-151,321.08-56,522.28

Finding the Fourth Proportional to 100,864.92, 151,321.08 and 56,522.28

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Solution

The fourth proportional to 100,864.92, 151,321.08 and 56,522.28 is: 84,796.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,864.92 : 151,321.08 = 56,522.28 : x
  2. Step 2: Convert to fraction form
    100,864.92/151,321.08 = 56,522.28/x
  3. Step 3: Cross multiply
    100,864.92x = 151,321.08 × 56,522.28
  4. Step 4: Simplify right side
    100,864.92x = 8,553,012,453.66
  5. Step 5: Solve for x
    x = 8,553,012,453.66/100,864.92
  6. Step 6: Final answer
    x = 84,796.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.