Home / 74,786.46-103,205.40-42,961.51

Finding the Fourth Proportional to 74,786.46, 103,205.40 and 42,961.51

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Solution

The fourth proportional to 74,786.46, 103,205.40 and 42,961.51 is: 59,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,786.46 : 103,205.40 = 42,961.51 : x
  2. Step 2: Convert to fraction form
    74,786.46/103,205.40 = 42,961.51/x
  3. Step 3: Cross multiply
    74,786.46x = 103,205.40 × 42,961.51
  4. Step 4: Simplify right side
    74,786.46x = 4,433,859,824.15
  5. Step 5: Solve for x
    x = 4,433,859,824.15/74,786.46
  6. Step 6: Final answer
    x = 59,286.93

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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.