Home / 115,913.20-173,902.20-56,750.80

Finding the Fourth Proportional to 115,913.20, 173,902.20 and 56,750.80

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Solution

The fourth proportional to 115,913.20, 173,902.20 and 56,750.80 is: 85,142.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,913.20 : 173,902.20 = 56,750.80 : x
  2. Step 2: Convert to fraction form
    115,913.20/173,902.20 = 56,750.80/x
  3. Step 3: Cross multiply
    115,913.20x = 173,902.20 × 56,750.80
  4. Step 4: Simplify right side
    115,913.20x = 9,869,088,971.76
  5. Step 5: Solve for x
    x = 9,869,088,971.76/115,913.20
  6. Step 6: Final answer
    x = 85,142.06

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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.