Home / 74,755.35-103,161.74-40,764.38

Finding the Fourth Proportional to 74,755.35, 103,161.74 and 40,764.38

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Solution

The fourth proportional to 74,755.35, 103,161.74 and 40,764.38 is: 56,254.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,755.35 : 103,161.74 = 40,764.38 : x
  2. Step 2: Convert to fraction form
    74,755.35/103,161.74 = 40,764.38/x
  3. Step 3: Cross multiply
    74,755.35x = 103,161.74 × 40,764.38
  4. Step 4: Simplify right side
    74,755.35x = 4,205,323,651.19
  5. Step 5: Solve for x
    x = 4,205,323,651.19/74,755.35
  6. Step 6: Final answer
    x = 56,254.48

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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.