Home / 75,374.64-112,982.58-25,407.36

Finding the Fourth Proportional to 75,374.64, 112,982.58 and 25,407.36

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Solution

The fourth proportional to 75,374.64, 112,982.58 and 25,407.36 is: 38,084.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,374.64 : 112,982.58 = 25,407.36 : x
  2. Step 2: Convert to fraction form
    75,374.64/112,982.58 = 25,407.36/x
  3. Step 3: Cross multiply
    75,374.64x = 112,982.58 × 25,407.36
  4. Step 4: Simplify right side
    75,374.64x = 2,870,589,083.79
  5. Step 5: Solve for x
    x = 2,870,589,083.79/75,374.64
  6. Step 6: Final answer
    x = 38,084.28

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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.