Home / 55,421.28-76,426.74-34,196.04

Finding the Fourth Proportional to 55,421.28, 76,426.74 and 34,196.04

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Solution

The fourth proportional to 55,421.28, 76,426.74 and 34,196.04 is: 47,156.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,421.28 : 76,426.74 = 34,196.04 : x
  2. Step 2: Convert to fraction form
    55,421.28/76,426.74 = 34,196.04/x
  3. Step 3: Cross multiply
    55,421.28x = 76,426.74 × 34,196.04
  4. Step 4: Simplify right side
    55,421.28x = 2,613,491,858.11
  5. Step 5: Solve for x
    x = 2,613,491,858.11/55,421.28
  6. Step 6: Final answer
    x = 47,156.83

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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.