Home / 42,774.16-64,161.27-11,609.41

Finding the Fourth Proportional to 42,774.16, 64,161.27 and 11,609.41

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Solution

The fourth proportional to 42,774.16, 64,161.27 and 11,609.41 is: 17,414.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,774.16 : 64,161.27 = 11,609.41 : x
  2. Step 2: Convert to fraction form
    42,774.16/64,161.27 = 11,609.41/x
  3. Step 3: Cross multiply
    42,774.16x = 64,161.27 × 11,609.41
  4. Step 4: Simplify right side
    42,774.16x = 744,874,489.55
  5. Step 5: Solve for x
    x = 744,874,489.55/42,774.16
  6. Step 6: Final answer
    x = 17,414.12

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1.5x scale

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.