Home / 101,492.97-152,254.04-31,377.75

Finding the Fourth Proportional to 101,492.97, 152,254.04 and 31,377.75

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Solution

The fourth proportional to 101,492.97, 152,254.04 and 31,377.75 is: 47,071.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,492.97 : 152,254.04 = 31,377.75 : x
  2. Step 2: Convert to fraction form
    101,492.97/152,254.04 = 31,377.75/x
  3. Step 3: Cross multiply
    101,492.97x = 152,254.04 × 31,377.75
  4. Step 4: Simplify right side
    101,492.97x = 4,777,389,203.61
  5. Step 5: Solve for x
    x = 4,777,389,203.61/101,492.97
  6. Step 6: Final answer
    x = 47,071.13

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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.