Home / 115,611.03-173,428.16-31,372.52

Finding the Fourth Proportional to 115,611.03, 173,428.16 and 31,372.52

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Solution

The fourth proportional to 115,611.03, 173,428.16 and 31,372.52 is: 47,061.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,611.03 : 173,428.16 = 31,372.52 : x
  2. Step 2: Convert to fraction form
    115,611.03/173,428.16 = 31,372.52/x
  3. Step 3: Cross multiply
    115,611.03x = 173,428.16 × 31,372.52
  4. Step 4: Simplify right side
    115,611.03x = 5,440,877,394.16
  5. Step 5: Solve for x
    x = 5,440,877,394.16/115,611.03
  6. Step 6: Final answer
    x = 47,061.92

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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.