Home / 75,919.95-113,864.81-25,995.87

Finding the Fourth Proportional to 75,919.95, 113,864.81 and 25,995.87

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Solution

The fourth proportional to 75,919.95, 113,864.81 and 25,995.87 is: 38,988.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,919.95 : 113,864.81 = 25,995.87 : x
  2. Step 2: Convert to fraction form
    75,919.95/113,864.81 = 25,995.87/x
  3. Step 3: Cross multiply
    75,919.95x = 113,864.81 × 25,995.87
  4. Step 4: Simplify right side
    75,919.95x = 2,960,014,668.36
  5. Step 5: Solve for x
    x = 2,960,014,668.36/75,919.95
  6. Step 6: Final answer
    x = 38,988.63

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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.