Home / 58,181.12-87,285.33-18,736.74

Finding the Fourth Proportional to 58,181.12, 87,285.33 and 18,736.74

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Solution

The fourth proportional to 58,181.12, 87,285.33 and 18,736.74 is: 28,109.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,181.12 : 87,285.33 = 18,736.74 : x
  2. Step 2: Convert to fraction form
    58,181.12/87,285.33 = 18,736.74/x
  3. Step 3: Cross multiply
    58,181.12x = 87,285.33 × 18,736.74
  4. Step 4: Simplify right side
    58,181.12x = 1,635,442,534.02
  5. Step 5: Solve for x
    x = 1,635,442,534.02/58,181.12
  6. Step 6: Final answer
    x = 28,109.51

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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.