Home / 58,092.29-87,120.20-18,640.63

Finding the Fourth Proportional to 58,092.29, 87,120.20 and 18,640.63

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Solution

The fourth proportional to 58,092.29, 87,120.20 and 18,640.63 is: 27,955.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,092.29 : 87,120.20 = 18,640.63 : x
  2. Step 2: Convert to fraction form
    58,092.29/87,120.20 = 18,640.63/x
  3. Step 3: Cross multiply
    58,092.29x = 87,120.20 × 18,640.63
  4. Step 4: Simplify right side
    58,092.29x = 1,623,974,978.13
  5. Step 5: Solve for x
    x = 1,623,974,978.13/58,092.29
  6. Step 6: Final answer
    x = 27,955.09

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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.