Home / 93,144.13-139,739.55-36,965.68

Finding the Fourth Proportional to 93,144.13, 139,739.55 and 36,965.68

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Solution

The fourth proportional to 93,144.13, 139,739.55 and 36,965.68 is: 55,457.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,144.13 : 139,739.55 = 36,965.68 : x
  2. Step 2: Convert to fraction form
    93,144.13/139,739.55 = 36,965.68/x
  3. Step 3: Cross multiply
    93,144.13x = 139,739.55 × 36,965.68
  4. Step 4: Simplify right side
    93,144.13x = 5,165,567,786.71
  5. Step 5: Solve for x
    x = 5,165,567,786.71/93,144.13
  6. Step 6: Final answer
    x = 55,457.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.