Home / 74,311.56-102,502.80-50,479.38

Finding the Fourth Proportional to 74,311.56, 102,502.80 and 50,479.38

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Solution

The fourth proportional to 74,311.56, 102,502.80 and 50,479.38 is: 69,629.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,311.56 : 102,502.80 = 50,479.38 : x
  2. Step 2: Convert to fraction form
    74,311.56/102,502.80 = 50,479.38/x
  3. Step 3: Cross multiply
    74,311.56x = 102,502.80 × 50,479.38
  4. Step 4: Simplify right side
    74,311.56x = 5,174,277,792.26
  5. Step 5: Solve for x
    x = 5,174,277,792.26/74,311.56
  6. Step 6: Final answer
    x = 69,629.51

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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.