Home / 93,249.20-128,684.52-50,807.60

Finding the Fourth Proportional to 93,249.20, 128,684.52 and 50,807.60

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Solution

The fourth proportional to 93,249.20, 128,684.52 and 50,807.60 is: 70,114.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,249.20 : 128,684.52 = 50,807.60 : x
  2. Step 2: Convert to fraction form
    93,249.20/128,684.52 = 50,807.60/x
  3. Step 3: Cross multiply
    93,249.20x = 128,684.52 × 50,807.60
  4. Step 4: Simplify right side
    93,249.20x = 6,538,151,618.35
  5. Step 5: Solve for x
    x = 6,538,151,618.35/93,249.20
  6. Step 6: Final answer
    x = 70,114.83

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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.