Home / 67,991.64-93,802.26-50,129.04

Finding the Fourth Proportional to 67,991.64, 93,802.26 and 50,129.04

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Solution

The fourth proportional to 67,991.64, 93,802.26 and 50,129.04 is: 69,158.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,991.64 : 93,802.26 = 50,129.04 : x
  2. Step 2: Convert to fraction form
    67,991.64/93,802.26 = 50,129.04/x
  3. Step 3: Cross multiply
    67,991.64x = 93,802.26 × 50,129.04
  4. Step 4: Simplify right side
    67,991.64x = 4,702,217,243.63
  5. Step 5: Solve for x
    x = 4,702,217,243.63/67,991.64
  6. Step 6: Final answer
    x = 69,158.76

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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.