Home / 93,181.74-128,591.04-50,740.50

Finding the Fourth Proportional to 93,181.74, 128,591.04 and 50,740.50

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Solution

The fourth proportional to 93,181.74, 128,591.04 and 50,740.50 is: 70,022.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,181.74 : 128,591.04 = 50,740.50 : x
  2. Step 2: Convert to fraction form
    93,181.74/128,591.04 = 50,740.50/x
  3. Step 3: Cross multiply
    93,181.74x = 128,591.04 × 50,740.50
  4. Step 4: Simplify right side
    93,181.74x = 6,524,773,665.12
  5. Step 5: Solve for x
    x = 6,524,773,665.12/93,181.74
  6. Step 6: Final answer
    x = 70,022.02

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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.