Home / 75,265.12-103,818.26-48,361.37

Finding the Fourth Proportional to 75,265.12, 103,818.26 and 48,361.37

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Solution

The fourth proportional to 75,265.12, 103,818.26 and 48,361.37 is: 66,708.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,265.12 : 103,818.26 = 48,361.37 : x
  2. Step 2: Convert to fraction form
    75,265.12/103,818.26 = 48,361.37/x
  3. Step 3: Cross multiply
    75,265.12x = 103,818.26 × 48,361.37
  4. Step 4: Simplify right side
    75,265.12x = 5,020,793,042.81
  5. Step 5: Solve for x
    x = 5,020,793,042.81/75,265.12
  6. Step 6: Final answer
    x = 66,708.10

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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.