Home / 87,762.40-131,470.80-52,597.60

Finding the Fourth Proportional to 87,762.40, 131,470.80 and 52,597.60

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Solution

The fourth proportional to 87,762.40, 131,470.80 and 52,597.60 is: 78,792.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,762.40 : 131,470.80 = 52,597.60 : x
  2. Step 2: Convert to fraction form
    87,762.40/131,470.80 = 52,597.60/x
  3. Step 3: Cross multiply
    87,762.40x = 131,470.80 × 52,597.60
  4. Step 4: Simplify right side
    87,762.40x = 6,915,048,550.08
  5. Step 5: Solve for x
    x = 6,915,048,550.08/87,762.40
  6. Step 6: Final answer
    x = 78,792.84

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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.