Home / 77,349.43-106,704.24-50,479.51

Finding the Fourth Proportional to 77,349.43, 106,704.24 and 50,479.51

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Solution

The fourth proportional to 77,349.43, 106,704.24 and 50,479.51 is: 69,636.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,349.43 : 106,704.24 = 50,479.51 : x
  2. Step 2: Convert to fraction form
    77,349.43/106,704.24 = 50,479.51/x
  3. Step 3: Cross multiply
    77,349.43x = 106,704.24 × 50,479.51
  4. Step 4: Simplify right side
    77,349.43x = 5,386,377,750.12
  5. Step 5: Solve for x
    x = 5,386,377,750.12/77,349.43
  6. Step 6: Final answer
    x = 69,636.94

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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.