Home / 71,558.62-98,716.59-50,349.58

Finding the Fourth Proportional to 71,558.62, 98,716.59 and 50,349.58

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Solution

The fourth proportional to 71,558.62, 98,716.59 and 50,349.58 is: 69,458.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,558.62 : 98,716.59 = 50,349.58 : x
  2. Step 2: Convert to fraction form
    71,558.62/98,716.59 = 50,349.58/x
  3. Step 3: Cross multiply
    71,558.62x = 98,716.59 × 50,349.58
  4. Step 4: Simplify right side
    71,558.62x = 4,970,338,845.53
  5. Step 5: Solve for x
    x = 4,970,338,845.53/71,558.62
  6. Step 6: Final answer
    x = 69,458.28

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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.