Home / 58,204.28-87,308.58-18,761.96

Finding the Fourth Proportional to 58,204.28, 87,308.58 and 18,761.96

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Solution

The fourth proportional to 58,204.28, 87,308.58 and 18,761.96 is: 28,143.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,204.28 : 87,308.58 = 18,761.96 : x
  2. Step 2: Convert to fraction form
    58,204.28/87,308.58 = 18,761.96/x
  3. Step 3: Cross multiply
    58,204.28x = 87,308.58 × 18,761.96
  4. Step 4: Simplify right side
    58,204.28x = 1,638,080,085.62
  5. Step 5: Solve for x
    x = 1,638,080,085.62/58,204.28
  6. Step 6: Final answer
    x = 28,143.64

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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.