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Finding the Fourth Proportional to 75,625.70, 113,411.59 and 25,015.48

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Solution

The fourth proportional to 75,625.70, 113,411.59 and 25,015.48 is: 37,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,625.70 : 113,411.59 = 25,015.48 : x
  2. Step 2: Convert to fraction form
    75,625.70/113,411.59 = 25,015.48/x
  3. Step 3: Cross multiply
    75,625.70x = 113,411.59 × 25,015.48
  4. Step 4: Simplify right side
    75,625.70x = 2,837,045,794.00
  5. Step 5: Solve for x
    x = 2,837,045,794.00/75,625.70
  6. Step 6: Final answer
    x = 37,514.31

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1.5x scale

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.