Home / 51,493.55-77,237.76-30,158.25

Finding the Fourth Proportional to 51,493.55, 77,237.76 and 30,158.25

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Solution

The fourth proportional to 51,493.55, 77,237.76 and 30,158.25 is: 45,235.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,493.55 : 77,237.76 = 30,158.25 : x
  2. Step 2: Convert to fraction form
    51,493.55/77,237.76 = 30,158.25/x
  3. Step 3: Cross multiply
    51,493.55x = 77,237.76 × 30,158.25
  4. Step 4: Simplify right side
    51,493.55x = 2,329,355,675.52
  5. Step 5: Solve for x
    x = 2,329,355,675.52/51,493.55
  6. Step 6: Final answer
    x = 45,235.87

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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.