Home / 67,445.21-101,167.69-20,060.07

Finding the Fourth Proportional to 67,445.21, 101,167.69 and 20,060.07

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Solution

The fourth proportional to 67,445.21, 101,167.69 and 20,060.07 is: 30,090.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,445.21 : 101,167.69 = 20,060.07 : x
  2. Step 2: Convert to fraction form
    67,445.21/101,167.69 = 20,060.07/x
  3. Step 3: Cross multiply
    67,445.21x = 101,167.69 × 20,060.07
  4. Step 4: Simplify right side
    67,445.21x = 2,029,430,943.14
  5. Step 5: Solve for x
    x = 2,029,430,943.14/67,445.21
  6. Step 6: Final answer
    x = 30,090.07

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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.