Home / 115,445.20-173,192.10-48,851.05

Finding the Fourth Proportional to 115,445.20, 173,192.10 and 48,851.05

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Solution

The fourth proportional to 115,445.20, 173,192.10 and 48,851.05 is: 73,286.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,445.20 : 173,192.10 = 48,851.05 : x
  2. Step 2: Convert to fraction form
    115,445.20/173,192.10 = 48,851.05/x
  3. Step 3: Cross multiply
    115,445.20x = 173,192.10 × 48,851.05
  4. Step 4: Simplify right side
    115,445.20x = 8,460,615,936.71
  5. Step 5: Solve for x
    x = 8,460,615,936.71/115,445.20
  6. Step 6: Final answer
    x = 73,286.86

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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.