Home / 77,282.91-106,683.21-50,448.42

Finding the Fourth Proportional to 77,282.91, 106,683.21 and 50,448.42

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Solution

The fourth proportional to 77,282.91, 106,683.21 and 50,448.42 is: 69,640.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,282.91 : 106,683.21 = 50,448.42 : x
  2. Step 2: Convert to fraction form
    77,282.91/106,683.21 = 50,448.42/x
  3. Step 3: Cross multiply
    77,282.91x = 106,683.21 × 50,448.42
  4. Step 4: Simplify right side
    77,282.91x = 5,381,999,385.03
  5. Step 5: Solve for x
    x = 5,381,999,385.03/77,282.91
  6. Step 6: Final answer
    x = 69,640.23

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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.