Home / 87,770.40-131,590.80-37,809.60

Finding the Fourth Proportional to 87,770.40, 131,590.80 and 37,809.60

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Solution

The fourth proportional to 87,770.40, 131,590.80 and 37,809.60 is: 56,686.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,770.40 : 131,590.80 = 37,809.60 : x
  2. Step 2: Convert to fraction form
    87,770.40/131,590.80 = 37,809.60/x
  3. Step 3: Cross multiply
    87,770.40x = 131,590.80 × 37,809.60
  4. Step 4: Simplify right side
    87,770.40x = 4,975,395,511.68
  5. Step 5: Solve for x
    x = 4,975,395,511.68/87,770.40
  6. Step 6: Final answer
    x = 56,686.49

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1.5x scale

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.