Home / 115,236.85-172,860.78-56,001.95

Finding the Fourth Proportional to 115,236.85, 172,860.78 and 56,001.95

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Solution

The fourth proportional to 115,236.85, 172,860.78 and 56,001.95 is: 84,005.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,236.85 : 172,860.78 = 56,001.95 : x
  2. Step 2: Convert to fraction form
    115,236.85/172,860.78 = 56,001.95/x
  3. Step 3: Cross multiply
    115,236.85x = 172,860.78 × 56,001.95
  4. Step 4: Simplify right side
    115,236.85x = 9,680,540,478.51
  5. Step 5: Solve for x
    x = 9,680,540,478.51/115,236.85
  6. Step 6: Final answer
    x = 84,005.60

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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.