Home / 77,263.98-115,939.80-41,724.90

Finding the Fourth Proportional to 77,263.98, 115,939.80 and 41,724.90

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Solution

The fourth proportional to 77,263.98, 115,939.80 and 41,724.90 is: 62,611.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,263.98 : 115,939.80 = 41,724.90 : x
  2. Step 2: Convert to fraction form
    77,263.98/115,939.80 = 41,724.90/x
  3. Step 3: Cross multiply
    77,263.98x = 115,939.80 × 41,724.90
  4. Step 4: Simplify right side
    77,263.98x = 4,837,576,561.02
  5. Step 5: Solve for x
    x = 4,837,576,561.02/77,263.98
  6. Step 6: Final answer
    x = 62,611.02

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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.