Home / 75,665.27-113,498.81-25,746.39

Finding the Fourth Proportional to 75,665.27, 113,498.81 and 25,746.39

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Solution

The fourth proportional to 75,665.27, 113,498.81 and 25,746.39 is: 38,619.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,665.27 : 113,498.81 = 25,746.39 : x
  2. Step 2: Convert to fraction form
    75,665.27/113,498.81 = 25,746.39/x
  3. Step 3: Cross multiply
    75,665.27x = 113,498.81 × 25,746.39
  4. Step 4: Simplify right side
    75,665.27x = 2,922,184,498.06
  5. Step 5: Solve for x
    x = 2,922,184,498.06/75,665.27
  6. Step 6: Final answer
    x = 38,619.89

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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.