Home / 75,272.34-103,872.30-43,451.48

Finding the Fourth Proportional to 75,272.34, 103,872.30 and 43,451.48

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Solution

The fourth proportional to 75,272.34, 103,872.30 and 43,451.48 is: 59,961.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,272.34 : 103,872.30 = 43,451.48 : x
  2. Step 2: Convert to fraction form
    75,272.34/103,872.30 = 43,451.48/x
  3. Step 3: Cross multiply
    75,272.34x = 103,872.30 × 43,451.48
  4. Step 4: Simplify right side
    75,272.34x = 4,513,405,166.00
  5. Step 5: Solve for x
    x = 4,513,405,166.00/75,272.34
  6. Step 6: Final answer
    x = 59,961.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.