Home / 57,126.42-78,825.06-35,890.56

Finding the Fourth Proportional to 57,126.42, 78,825.06 and 35,890.56

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Solution

The fourth proportional to 57,126.42, 78,825.06 and 35,890.56 is: 49,523.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,126.42 : 78,825.06 = 35,890.56 : x
  2. Step 2: Convert to fraction form
    57,126.42/78,825.06 = 35,890.56/x
  3. Step 3: Cross multiply
    57,126.42x = 78,825.06 × 35,890.56
  4. Step 4: Simplify right side
    57,126.42x = 2,829,075,545.43
  5. Step 5: Solve for x
    x = 2,829,075,545.43/57,126.42
  6. Step 6: Final answer
    x = 49,523.07

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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.