Home / 58,043.88-87,090.42-31,717.86

Finding the Fourth Proportional to 58,043.88, 87,090.42 and 31,717.86

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Solution

The fourth proportional to 58,043.88, 87,090.42 and 31,717.86 is: 47,590.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,043.88 : 87,090.42 = 31,717.86 : x
  2. Step 2: Convert to fraction form
    58,043.88/87,090.42 = 31,717.86/x
  3. Step 3: Cross multiply
    58,043.88x = 87,090.42 × 31,717.86
  4. Step 4: Simplify right side
    58,043.88x = 2,762,321,748.90
  5. Step 5: Solve for x
    x = 2,762,321,748.90/58,043.88
  6. Step 6: Final answer
    x = 47,590.23

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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.