Home / 78,455.28-108,274.68-44,923.44

Finding the Fourth Proportional to 78,455.28, 108,274.68 and 44,923.44

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Solution

The fourth proportional to 78,455.28, 108,274.68 and 44,923.44 is: 61,998.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,455.28 : 108,274.68 = 44,923.44 : x
  2. Step 2: Convert to fraction form
    78,455.28/108,274.68 = 44,923.44/x
  3. Step 3: Cross multiply
    78,455.28x = 108,274.68 × 44,923.44
  4. Step 4: Simplify right side
    78,455.28x = 4,864,071,090.50
  5. Step 5: Solve for x
    x = 4,864,071,090.50/78,455.28
  6. Step 6: Final answer
    x = 61,998.01

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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.