Home / 101,492.20-152,242.62-31,372.84

Finding the Fourth Proportional to 101,492.20, 152,242.62 and 31,372.84

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Solution

The fourth proportional to 101,492.20, 152,242.62 and 31,372.84 is: 47,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,492.20 : 152,242.62 = 31,372.84 : x
  2. Step 2: Convert to fraction form
    101,492.20/152,242.62 = 31,372.84/x
  3. Step 3: Cross multiply
    101,492.20x = 152,242.62 × 31,372.84
  4. Step 4: Simplify right side
    101,492.20x = 4,776,283,358.44
  5. Step 5: Solve for x
    x = 4,776,283,358.44/101,492.20
  6. Step 6: Final answer
    x = 47,060.60

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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.