Home / 92,143.17-138,199.34-25,590.03

Finding the Fourth Proportional to 92,143.17, 138,199.34 and 25,590.03

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Solution

The fourth proportional to 92,143.17, 138,199.34 and 25,590.03 is: 38,380.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,143.17 : 138,199.34 = 25,590.03 : x
  2. Step 2: Convert to fraction form
    92,143.17/138,199.34 = 25,590.03/x
  3. Step 3: Cross multiply
    92,143.17x = 138,199.34 × 25,590.03
  4. Step 4: Simplify right side
    92,143.17x = 3,536,525,128.63
  5. Step 5: Solve for x
    x = 3,536,525,128.63/92,143.17
  6. Step 6: Final answer
    x = 38,380.76

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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.