Home / 104,754.15-157,006.22-72,992.16

Finding the Fourth Proportional to 104,754.15, 157,006.22 and 72,992.16

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Solution

The fourth proportional to 104,754.15, 157,006.22 and 72,992.16 is: 109,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,754.15 : 157,006.22 = 72,992.16 : x
  2. Step 2: Convert to fraction form
    104,754.15/157,006.22 = 72,992.16/x
  3. Step 3: Cross multiply
    104,754.15x = 157,006.22 × 72,992.16
  4. Step 4: Simplify right side
    104,754.15x = 11,460,222,766.27
  5. Step 5: Solve for x
    x = 11,460,222,766.27/104,754.15
  6. Step 6: Final answer
    x = 109,401.13

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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.