Home / 93,919.96-129,622.83-58,121.50

Finding the Fourth Proportional to 93,919.96, 129,622.83 and 58,121.50

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Solution

The fourth proportional to 93,919.96, 129,622.83 and 58,121.50 is: 80,215.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,919.96 : 129,622.83 = 58,121.50 : x
  2. Step 2: Convert to fraction form
    93,919.96/129,622.83 = 58,121.50/x
  3. Step 3: Cross multiply
    93,919.96x = 129,622.83 × 58,121.50
  4. Step 4: Simplify right side
    93,919.96x = 7,533,872,375.12
  5. Step 5: Solve for x
    x = 7,533,872,375.12/93,919.96
  6. Step 6: Final answer
    x = 80,215.89

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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.