Home / 72,158.34-108,119.18-50,995.02

Finding the Fourth Proportional to 72,158.34, 108,119.18 and 50,995.02

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Solution

The fourth proportional to 72,158.34, 108,119.18 and 50,995.02 is: 76,408.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,158.34 : 108,119.18 = 50,995.02 : x
  2. Step 2: Convert to fraction form
    72,158.34/108,119.18 = 50,995.02/x
  3. Step 3: Cross multiply
    72,158.34x = 108,119.18 × 50,995.02
  4. Step 4: Simplify right side
    72,158.34x = 5,513,539,873.97
  5. Step 5: Solve for x
    x = 5,513,539,873.97/72,158.34
  6. Step 6: Final answer
    x = 76,408.91

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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.