Home / 75,153.64-112,732.28-25,235.36

Finding the Fourth Proportional to 75,153.64, 112,732.28 and 25,235.36

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Solution

The fourth proportional to 75,153.64, 112,732.28 and 25,235.36 is: 37,853.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,153.64 : 112,732.28 = 25,235.36 : x
  2. Step 2: Convert to fraction form
    75,153.64/112,732.28 = 25,235.36/x
  3. Step 3: Cross multiply
    75,153.64x = 112,732.28 × 25,235.36
  4. Step 4: Simplify right side
    75,153.64x = 2,844,839,669.42
  5. Step 5: Solve for x
    x = 2,844,839,669.42/75,153.64
  6. Step 6: Final answer
    x = 37,853.65

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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.