Home / 87,707.16-131,567.58-31,554.60

Finding the Fourth Proportional to 87,707.16, 131,567.58 and 31,554.60

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Solution

The fourth proportional to 87,707.16, 131,567.58 and 31,554.60 is: 47,334.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,707.16 : 131,567.58 = 31,554.60 : x
  2. Step 2: Convert to fraction form
    87,707.16/131,567.58 = 31,554.60/x
  3. Step 3: Cross multiply
    87,707.16x = 131,567.58 × 31,554.60
  4. Step 4: Simplify right side
    87,707.16x = 4,151,562,359.87
  5. Step 5: Solve for x
    x = 4,151,562,359.87/87,707.16
  6. Step 6: Final answer
    x = 47,334.36

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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.