Home / 75,001.68-103,506.66-43,169.76

Finding the Fourth Proportional to 75,001.68, 103,506.66 and 43,169.76

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Solution

The fourth proportional to 75,001.68, 103,506.66 and 43,169.76 is: 59,576.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,001.68 : 103,506.66 = 43,169.76 : x
  2. Step 2: Convert to fraction form
    75,001.68/103,506.66 = 43,169.76/x
  3. Step 3: Cross multiply
    75,001.68x = 103,506.66 × 43,169.76
  4. Step 4: Simplify right side
    75,001.68x = 4,468,357,670.60
  5. Step 5: Solve for x
    x = 4,468,357,670.60/75,001.68
  6. Step 6: Final answer
    x = 59,576.77

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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.