Home / 67,780.92-101,623.95-48,817.80

Finding the Fourth Proportional to 67,780.92, 101,623.95 and 48,817.80

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Solution

The fourth proportional to 67,780.92, 101,623.95 and 48,817.80 is: 73,192.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,780.92 : 101,623.95 = 48,817.80 : x
  2. Step 2: Convert to fraction form
    67,780.92/101,623.95 = 48,817.80/x
  3. Step 3: Cross multiply
    67,780.92x = 101,623.95 × 48,817.80
  4. Step 4: Simplify right side
    67,780.92x = 4,961,057,666.31
  5. Step 5: Solve for x
    x = 4,961,057,666.31/67,780.92
  6. Step 6: Final answer
    x = 73,192.54

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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.