Home / 74,037.76-102,171.73-40,046.21

Finding the Fourth Proportional to 74,037.76, 102,171.73 and 40,046.21

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Solution

The fourth proportional to 74,037.76, 102,171.73 and 40,046.21 is: 55,263.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,037.76 : 102,171.73 = 40,046.21 : x
  2. Step 2: Convert to fraction form
    74,037.76/102,171.73 = 40,046.21/x
  3. Step 3: Cross multiply
    74,037.76x = 102,171.73 × 40,046.21
  4. Step 4: Simplify right side
    74,037.76x = 4,091,590,977.62
  5. Step 5: Solve for x
    x = 4,091,590,977.62/74,037.76
  6. Step 6: Final answer
    x = 55,263.57

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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.