Home / 87,335.48-131,030.90-31,174.35

Finding the Fourth Proportional to 87,335.48, 131,030.90 and 31,174.35

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Solution

The fourth proportional to 87,335.48, 131,030.90 and 31,174.35 is: 46,771.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,335.48 : 131,030.90 = 31,174.35 : x
  2. Step 2: Convert to fraction form
    87,335.48/131,030.90 = 31,174.35/x
  3. Step 3: Cross multiply
    87,335.48x = 131,030.90 × 31,174.35
  4. Step 4: Simplify right side
    87,335.48x = 4,084,803,137.42
  5. Step 5: Solve for x
    x = 4,084,803,137.42/87,335.48
  6. Step 6: Final answer
    x = 46,771.41

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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.