Home / 110,553.30-152,520.18-68,038.02

Finding the Fourth Proportional to 110,553.30, 152,520.18 and 68,038.02

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Solution

The fourth proportional to 110,553.30, 152,520.18 and 68,038.02 is: 93,865.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,553.30 : 152,520.18 = 68,038.02 : x
  2. Step 2: Convert to fraction form
    110,553.30/152,520.18 = 68,038.02/x
  3. Step 3: Cross multiply
    110,553.30x = 152,520.18 × 68,038.02
  4. Step 4: Simplify right side
    110,553.30x = 10,377,171,057.24
  5. Step 5: Solve for x
    x = 10,377,171,057.24/110,553.30
  6. Step 6: Final answer
    x = 93,865.77

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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.