Home / 84,795.30-127,188.54-31,497.48

Finding the Fourth Proportional to 84,795.30, 127,188.54 and 31,497.48

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Solution

The fourth proportional to 84,795.30, 127,188.54 and 31,497.48 is: 47,244.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,795.30 : 127,188.54 = 31,497.48 : x
  2. Step 2: Convert to fraction form
    84,795.30/127,188.54 = 31,497.48/x
  3. Step 3: Cross multiply
    84,795.30x = 127,188.54 × 31,497.48
  4. Step 4: Simplify right side
    84,795.30x = 4,006,118,494.88
  5. Step 5: Solve for x
    x = 4,006,118,494.88/84,795.30
  6. Step 6: Final answer
    x = 47,244.58

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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.