Home / 57,713.61-79,553.81-42,557.73

Finding the Fourth Proportional to 57,713.61, 79,553.81 and 42,557.73

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Solution

The fourth proportional to 57,713.61, 79,553.81 and 42,557.73 is: 58,662.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,713.61 : 79,553.81 = 42,557.73 : x
  2. Step 2: Convert to fraction form
    57,713.61/79,553.81 = 42,557.73/x
  3. Step 3: Cross multiply
    57,713.61x = 79,553.81 × 42,557.73
  4. Step 4: Simplify right side
    57,713.61x = 3,385,629,353.66
  5. Step 5: Solve for x
    x = 3,385,629,353.66/57,713.61
  6. Step 6: Final answer
    x = 58,662.58

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1.5x scale

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.