Home / 116,505.20-174,671.40-49,890.80

Finding the Fourth Proportional to 116,505.20, 174,671.40 and 49,890.80

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Solution

The fourth proportional to 116,505.20, 174,671.40 and 49,890.80 is: 74,799.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,505.20 : 174,671.40 = 49,890.80 : x
  2. Step 2: Convert to fraction form
    116,505.20/174,671.40 = 49,890.80/x
  3. Step 3: Cross multiply
    116,505.20x = 174,671.40 × 49,890.80
  4. Step 4: Simplify right side
    116,505.20x = 8,714,495,883.12
  5. Step 5: Solve for x
    x = 8,714,495,883.12/116,505.20
  6. Step 6: Final answer
    x = 74,799.20

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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.