Home / 48,120.53-72,193.10-20,031.25

Finding the Fourth Proportional to 48,120.53, 72,193.10 and 20,031.25

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Solution

The fourth proportional to 48,120.53, 72,193.10 and 20,031.25 is: 30,052.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,120.53 : 72,193.10 = 20,031.25 : x
  2. Step 2: Convert to fraction form
    48,120.53/72,193.10 = 20,031.25/x
  3. Step 3: Cross multiply
    48,120.53x = 72,193.10 × 20,031.25
  4. Step 4: Simplify right side
    48,120.53x = 1,446,118,034.38
  5. Step 5: Solve for x
    x = 1,446,118,034.38/48,120.53
  6. Step 6: Final answer
    x = 30,052.00

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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.