Home / 74,174.24-102,382.48-64,209.76

Finding the Fourth Proportional to 74,174.24, 102,382.48 and 64,209.76

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Solution

The fourth proportional to 74,174.24, 102,382.48 and 64,209.76 is: 88,628.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,174.24 : 102,382.48 = 64,209.76 : x
  2. Step 2: Convert to fraction form
    74,174.24/102,382.48 = 64,209.76/x
  3. Step 3: Cross multiply
    74,174.24x = 102,382.48 × 64,209.76
  4. Step 4: Simplify right side
    74,174.24x = 6,573,954,469.00
  5. Step 5: Solve for x
    x = 6,573,954,469.00/74,174.24
  6. Step 6: Final answer
    x = 88,628.54

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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.