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Finding the Fourth Proportional to 84,654.06, 127,007.40 and 34,738.20

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Solution

The fourth proportional to 84,654.06, 127,007.40 and 34,738.20 is: 52,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,654.06 : 127,007.40 = 34,738.20 : x
  2. Step 2: Convert to fraction form
    84,654.06/127,007.40 = 34,738.20/x
  3. Step 3: Cross multiply
    84,654.06x = 127,007.40 × 34,738.20
  4. Step 4: Simplify right side
    84,654.06x = 4,412,008,462.68
  5. Step 5: Solve for x
    x = 4,412,008,462.68/84,654.06
  6. Step 6: Final answer
    x = 52,118.10

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1.5x scale

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.