Home / 92,002.63-138,057.50-38,690.73

Finding the Fourth Proportional to 92,002.63, 138,057.50 and 38,690.73

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Solution

The fourth proportional to 92,002.63, 138,057.50 and 38,690.73 is: 58,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,002.63 : 138,057.50 = 38,690.73 : x
  2. Step 2: Convert to fraction form
    92,002.63/138,057.50 = 38,690.73/x
  3. Step 3: Cross multiply
    92,002.63x = 138,057.50 × 38,690.73
  4. Step 4: Simplify right side
    92,002.63x = 5,341,545,456.98
  5. Step 5: Solve for x
    x = 5,341,545,456.98/92,002.63
  6. Step 6: Final answer
    x = 58,058.62

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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.