Home / 74,761.14-103,178.58-46,074.98

Finding the Fourth Proportional to 74,761.14, 103,178.58 and 46,074.98

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Solution

The fourth proportional to 74,761.14, 103,178.58 and 46,074.98 is: 63,588.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,761.14 : 103,178.58 = 46,074.98 : x
  2. Step 2: Convert to fraction form
    74,761.14/103,178.58 = 46,074.98/x
  3. Step 3: Cross multiply
    74,761.14x = 103,178.58 × 46,074.98
  4. Step 4: Simplify right side
    74,761.14x = 4,753,951,009.93
  5. Step 5: Solve for x
    x = 4,753,951,009.93/74,761.14
  6. Step 6: Final answer
    x = 63,588.53

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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.