Home / 109,936.66-151,712.64-62,188.99

Finding the Fourth Proportional to 109,936.66, 151,712.64 and 62,188.99

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Solution

The fourth proportional to 109,936.66, 151,712.64 and 62,188.99 is: 85,820.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,936.66 : 151,712.64 = 62,188.99 : x
  2. Step 2: Convert to fraction form
    109,936.66/151,712.64 = 62,188.99/x
  3. Step 3: Cross multiply
    109,936.66x = 151,712.64 × 62,188.99
  4. Step 4: Simplify right side
    109,936.66x = 9,434,855,851.83
  5. Step 5: Solve for x
    x = 9,434,855,851.83/109,936.66
  6. Step 6: Final answer
    x = 85,820.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.