Home / 49,892.64-74,774.16-20,276.01

Finding the Fourth Proportional to 49,892.64, 74,774.16 and 20,276.01

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Solution

The fourth proportional to 49,892.64, 74,774.16 and 20,276.01 is: 30,387.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,892.64 : 74,774.16 = 20,276.01 : x
  2. Step 2: Convert to fraction form
    49,892.64/74,774.16 = 20,276.01/x
  3. Step 3: Cross multiply
    49,892.64x = 74,774.16 × 20,276.01
  4. Step 4: Simplify right side
    49,892.64x = 1,516,121,615.90
  5. Step 5: Solve for x
    x = 1,516,121,615.90/49,892.64
  6. Step 6: Final answer
    x = 30,387.68

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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.