Home / 101,799.36-152,708.76-31,659.84

Finding the Fourth Proportional to 101,799.36, 152,708.76 and 31,659.84

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Solution

The fourth proportional to 101,799.36, 152,708.76 and 31,659.84 is: 47,492.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,799.36 : 152,708.76 = 31,659.84 : x
  2. Step 2: Convert to fraction form
    101,799.36/152,708.76 = 31,659.84/x
  3. Step 3: Cross multiply
    101,799.36x = 152,708.76 × 31,659.84
  4. Step 4: Simplify right side
    101,799.36x = 4,834,734,908.20
  5. Step 5: Solve for x
    x = 4,834,734,908.20/101,799.36
  6. Step 6: Final answer
    x = 47,492.78

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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.