Home / 72,972.29-109,455.50-23,055.23

Finding the Fourth Proportional to 72,972.29, 109,455.50 and 23,055.23

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Solution

The fourth proportional to 72,972.29, 109,455.50 and 23,055.23 is: 34,581.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,972.29 : 109,455.50 = 23,055.23 : x
  2. Step 2: Convert to fraction form
    72,972.29/109,455.50 = 23,055.23/x
  3. Step 3: Cross multiply
    72,972.29x = 109,455.50 × 23,055.23
  4. Step 4: Simplify right side
    72,972.29x = 2,523,522,058.54
  5. Step 5: Solve for x
    x = 2,523,522,058.54/72,972.29
  6. Step 6: Final answer
    x = 34,581.92

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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.