Home / 75,114.06-103,657.48-41,122.78

Finding the Fourth Proportional to 75,114.06, 103,657.48 and 41,122.78

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Solution

The fourth proportional to 75,114.06, 103,657.48 and 41,122.78 is: 56,749.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,114.06 : 103,657.48 = 41,122.78 : x
  2. Step 2: Convert to fraction form
    75,114.06/103,657.48 = 41,122.78/x
  3. Step 3: Cross multiply
    75,114.06x = 103,657.48 × 41,122.78
  4. Step 4: Simplify right side
    75,114.06x = 4,262,683,745.39
  5. Step 5: Solve for x
    x = 4,262,683,745.39/75,114.06
  6. Step 6: Final answer
    x = 56,749.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.