Home / 118,534.20-177,714.90-48,377.40

Finding the Fourth Proportional to 118,534.20, 177,714.90 and 48,377.40

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Solution

The fourth proportional to 118,534.20, 177,714.90 and 48,377.40 is: 72,530.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,534.20 : 177,714.90 = 48,377.40 : x
  2. Step 2: Convert to fraction form
    118,534.20/177,714.90 = 48,377.40/x
  3. Step 3: Cross multiply
    118,534.20x = 177,714.90 × 48,377.40
  4. Step 4: Simplify right side
    118,534.20x = 8,597,384,803.26
  5. Step 5: Solve for x
    x = 8,597,384,803.26/118,534.20
  6. Step 6: Final answer
    x = 72,530.84

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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.