Home / 80,424.65-110,913.39-50,212.77

Finding the Fourth Proportional to 80,424.65, 110,913.39 and 50,212.77

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Solution

The fourth proportional to 80,424.65, 110,913.39 and 50,212.77 is: 69,248.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,424.65 : 110,913.39 = 50,212.77 : x
  2. Step 2: Convert to fraction form
    80,424.65/110,913.39 = 50,212.77/x
  3. Step 3: Cross multiply
    80,424.65x = 110,913.39 × 50,212.77
  4. Step 4: Simplify right side
    80,424.65x = 5,569,268,541.99
  5. Step 5: Solve for x
    x = 5,569,268,541.99/80,424.65
  6. Step 6: Final answer
    x = 69,248.28

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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.