Home / 84,773.58-127,156.38-31,476.17

Finding the Fourth Proportional to 84,773.58, 127,156.38 and 31,476.17

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Solution

The fourth proportional to 84,773.58, 127,156.38 and 31,476.17 is: 47,212.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,773.58 : 127,156.38 = 31,476.17 : x
  2. Step 2: Convert to fraction form
    84,773.58/127,156.38 = 31,476.17/x
  3. Step 3: Cross multiply
    84,773.58x = 127,156.38 × 31,476.17
  4. Step 4: Simplify right side
    84,773.58x = 4,002,395,833.46
  5. Step 5: Solve for x
    x = 4,002,395,833.46/84,773.58
  6. Step 6: Final answer
    x = 47,212.77

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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.