Home / 57,196.17-85,807.87-19,756.55

Finding the Fourth Proportional to 57,196.17, 85,807.87 and 19,756.55

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Solution

The fourth proportional to 57,196.17, 85,807.87 and 19,756.55 is: 29,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,196.17 : 85,807.87 = 19,756.55 : x
  2. Step 2: Convert to fraction form
    57,196.17/85,807.87 = 19,756.55/x
  3. Step 3: Cross multiply
    57,196.17x = 85,807.87 × 19,756.55
  4. Step 4: Simplify right side
    57,196.17x = 1,695,267,474.05
  5. Step 5: Solve for x
    x = 1,695,267,474.05/57,196.17
  6. Step 6: Final answer
    x = 29,639.53

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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.