Home / 74,025.10-111,037.65-69,942.70

Finding the Fourth Proportional to 74,025.10, 111,037.65 and 69,942.70

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Solution

The fourth proportional to 74,025.10, 111,037.65 and 69,942.70 is: 104,914.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,025.10 : 111,037.65 = 69,942.70 : x
  2. Step 2: Convert to fraction form
    74,025.10/111,037.65 = 69,942.70/x
  3. Step 3: Cross multiply
    74,025.10x = 111,037.65 × 69,942.70
  4. Step 4: Simplify right side
    74,025.10x = 7,766,273,042.66
  5. Step 5: Solve for x
    x = 7,766,273,042.66/74,025.10
  6. Step 6: Final answer
    x = 104,914.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.