Home / 75,153.96-112,552.07-43,497.36

Finding the Fourth Proportional to 75,153.96, 112,552.07 and 43,497.36

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Solution

The fourth proportional to 75,153.96, 112,552.07 and 43,497.36 is: 65,142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,153.96 : 112,552.07 = 43,497.36 : x
  2. Step 2: Convert to fraction form
    75,153.96/112,552.07 = 43,497.36/x
  3. Step 3: Cross multiply
    75,153.96x = 112,552.07 × 43,497.36
  4. Step 4: Simplify right side
    75,153.96x = 4,895,717,690.05
  5. Step 5: Solve for x
    x = 4,895,717,690.05/75,153.96
  6. Step 6: Final answer
    x = 65,142.51

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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.