Home / 84,056.94-125,997.93-31,443.66

Finding the Fourth Proportional to 84,056.94, 125,997.93 and 31,443.66

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Solution

The fourth proportional to 84,056.94, 125,997.93 and 31,443.66 is: 47,132.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,056.94 : 125,997.93 = 31,443.66 : x
  2. Step 2: Convert to fraction form
    84,056.94/125,997.93 = 31,443.66/x
  3. Step 3: Cross multiply
    84,056.94x = 125,997.93 × 31,443.66
  4. Step 4: Simplify right side
    84,056.94x = 3,961,836,071.62
  5. Step 5: Solve for x
    x = 3,961,836,071.62/84,056.94
  6. Step 6: Final answer
    x = 47,132.77

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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.