Home / 101,522.47-152,298.30-31,407.25

Finding the Fourth Proportional to 101,522.47, 152,298.30 and 31,407.25

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Solution

The fourth proportional to 101,522.47, 152,298.30 and 31,407.25 is: 47,115.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,522.47 : 152,298.30 = 31,407.25 : x
  2. Step 2: Convert to fraction form
    101,522.47/152,298.30 = 31,407.25/x
  3. Step 3: Cross multiply
    101,522.47x = 152,298.30 × 31,407.25
  4. Step 4: Simplify right side
    101,522.47x = 4,783,270,782.68
  5. Step 5: Solve for x
    x = 4,783,270,782.68/101,522.47
  6. Step 6: Final answer
    x = 47,115.39

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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.