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Finding the Fourth Proportional to 84,888, 127,332 and 47,954.88

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Solution

The fourth proportional to 84,888, 127,332 and 47,954.88 is: 71,932.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,888 : 127,332 = 47,954.88 : x
  2. Step 2: Convert to fraction form
    84,888/127,332 = 47,954.88/x
  3. Step 3: Cross multiply
    84,888x = 127,332 × 47,954.88
  4. Step 4: Simplify right side
    84,888x = 6,106,190,780.16
  5. Step 5: Solve for x
    x = 6,106,190,780.16/84,888
  6. Step 6: Final answer
    x = 71,932.32

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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.