Home / 75,536.20-113,300.70-25,611.40

Finding the Fourth Proportional to 75,536.20, 113,300.70 and 25,611.40

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Solution

The fourth proportional to 75,536.20, 113,300.70 and 25,611.40 is: 38,415.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,536.20 : 113,300.70 = 25,611.40 : x
  2. Step 2: Convert to fraction form
    75,536.20/113,300.70 = 25,611.40/x
  3. Step 3: Cross multiply
    75,536.20x = 113,300.70 × 25,611.40
  4. Step 4: Simplify right side
    75,536.20x = 2,901,789,547.98
  5. Step 5: Solve for x
    x = 2,901,789,547.98/75,536.20
  6. Step 6: Final answer
    x = 38,415.88

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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.