Home / 45,101.95-67,652.24-15,520.03

Finding the Fourth Proportional to 45,101.95, 67,652.24 and 15,520.03

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Solution

The fourth proportional to 45,101.95, 67,652.24 and 15,520.03 is: 23,279.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,101.95 : 67,652.24 = 15,520.03 : x
  2. Step 2: Convert to fraction form
    45,101.95/67,652.24 = 15,520.03/x
  3. Step 3: Cross multiply
    45,101.95x = 67,652.24 × 15,520.03
  4. Step 4: Simplify right side
    45,101.95x = 1,049,964,547.64
  5. Step 5: Solve for x
    x = 1,049,964,547.64/45,101.95
  6. Step 6: Final answer
    x = 23,279.81

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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.