Home / 93,161.48-128,562.66-50,719.91

Finding the Fourth Proportional to 93,161.48, 128,562.66 and 50,719.91

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Solution

The fourth proportional to 93,161.48, 128,562.66 and 50,719.91 is: 69,993.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,161.48 : 128,562.66 = 50,719.91 : x
  2. Step 2: Convert to fraction form
    93,161.48/128,562.66 = 50,719.91/x
  3. Step 3: Cross multiply
    93,161.48x = 128,562.66 × 50,719.91
  4. Step 4: Simplify right side
    93,161.48x = 6,520,685,901.75
  5. Step 5: Solve for x
    x = 6,520,685,901.75/93,161.48
  6. Step 6: Final answer
    x = 69,993.37

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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.