Home / 93,219.91-128,642.82-50,778.44

Finding the Fourth Proportional to 93,219.91, 128,642.82 and 50,778.44

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Solution

The fourth proportional to 93,219.91, 128,642.82 and 50,778.44 is: 70,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,219.91 : 128,642.82 = 50,778.44 : x
  2. Step 2: Convert to fraction form
    93,219.91/128,642.82 = 50,778.44/x
  3. Step 3: Cross multiply
    93,219.91x = 128,642.82 × 50,778.44
  4. Step 4: Simplify right side
    93,219.91x = 6,532,281,365.58
  5. Step 5: Solve for x
    x = 6,532,281,365.58/93,219.91
  6. Step 6: Final answer
    x = 70,073.89

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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.