Home / 87,762.55-131,657.48-28,584.45

Finding the Fourth Proportional to 87,762.55, 131,657.48 and 28,584.45

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Solution

The fourth proportional to 87,762.55, 131,657.48 and 28,584.45 is: 42,881.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,762.55 : 131,657.48 = 28,584.45 : x
  2. Step 2: Convert to fraction form
    87,762.55/131,657.48 = 28,584.45/x
  3. Step 3: Cross multiply
    87,762.55x = 131,657.48 × 28,584.45
  4. Step 4: Simplify right side
    87,762.55x = 3,763,356,654.19
  5. Step 5: Solve for x
    x = 3,763,356,654.19/87,762.55
  6. Step 6: Final answer
    x = 42,881.12

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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.