Home / 101,143.24-151,621.98-38,801.32

Finding the Fourth Proportional to 101,143.24, 151,621.98 and 38,801.32

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Solution

The fourth proportional to 101,143.24, 151,621.98 and 38,801.32 is: 58,166.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,143.24 : 151,621.98 = 38,801.32 : x
  2. Step 2: Convert to fraction form
    101,143.24/151,621.98 = 38,801.32/x
  3. Step 3: Cross multiply
    101,143.24x = 151,621.98 × 38,801.32
  4. Step 4: Simplify right side
    101,143.24x = 5,883,132,965.01
  5. Step 5: Solve for x
    x = 5,883,132,965.01/101,143.24
  6. Step 6: Final answer
    x = 58,166.35

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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.