Home / 115,327.40-172,895.10-48,818.60

Finding the Fourth Proportional to 115,327.40, 172,895.10 and 48,818.60

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Solution

The fourth proportional to 115,327.40, 172,895.10 and 48,818.60 is: 73,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,327.40 : 172,895.10 = 48,818.60 : x
  2. Step 2: Convert to fraction form
    115,327.40/172,895.10 = 48,818.60/x
  3. Step 3: Cross multiply
    115,327.40x = 172,895.10 × 48,818.60
  4. Step 4: Simplify right side
    115,327.40x = 8,440,496,728.86
  5. Step 5: Solve for x
    x = 8,440,496,728.86/115,327.40
  6. Step 6: Final answer
    x = 73,187.26

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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.