Home / 101,777.10-152,666.04-42,571.25

Finding the Fourth Proportional to 101,777.10, 152,666.04 and 42,571.25

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Solution

The fourth proportional to 101,777.10, 152,666.04 and 42,571.25 is: 63,857.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,777.10 : 152,666.04 = 42,571.25 : x
  2. Step 2: Convert to fraction form
    101,777.10/152,666.04 = 42,571.25/x
  3. Step 3: Cross multiply
    101,777.10x = 152,666.04 × 42,571.25
  4. Step 4: Simplify right side
    101,777.10x = 6,499,183,964.52
  5. Step 5: Solve for x
    x = 6,499,183,964.52/101,777.10
  6. Step 6: Final answer
    x = 63,857.04

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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.