Home / 42,934.42-64,402.17-13,351.60

Finding the Fourth Proportional to 42,934.42, 64,402.17 and 13,351.60

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Solution

The fourth proportional to 42,934.42, 64,402.17 and 13,351.60 is: 20,027.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,934.42 : 64,402.17 = 13,351.60 : x
  2. Step 2: Convert to fraction form
    42,934.42/64,402.17 = 13,351.60/x
  3. Step 3: Cross multiply
    42,934.42x = 64,402.17 × 13,351.60
  4. Step 4: Simplify right side
    42,934.42x = 859,872,012.97
  5. Step 5: Solve for x
    x = 859,872,012.97/42,934.42
  6. Step 6: Final answer
    x = 20,027.57

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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.