Home / 112,490.20-168,737.10-29,384.20

Finding the Fourth Proportional to 112,490.20, 168,737.10 and 29,384.20

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Solution

The fourth proportional to 112,490.20, 168,737.10 and 29,384.20 is: 44,076.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,490.20 : 168,737.10 = 29,384.20 : x
  2. Step 2: Convert to fraction form
    112,490.20/168,737.10 = 29,384.20/x
  3. Step 3: Cross multiply
    112,490.20x = 168,737.10 × 29,384.20
  4. Step 4: Simplify right side
    112,490.20x = 4,958,204,693.82
  5. Step 5: Solve for x
    x = 4,958,204,693.82/112,490.20
  6. Step 6: Final answer
    x = 44,076.77

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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.