Home / 77,330.24-106,755.38-47,539.52

Finding the Fourth Proportional to 77,330.24, 106,755.38 and 47,539.52

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Solution

The fourth proportional to 77,330.24, 106,755.38 and 47,539.52 is: 65,628.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,330.24 : 106,755.38 = 47,539.52 : x
  2. Step 2: Convert to fraction form
    77,330.24/106,755.38 = 47,539.52/x
  3. Step 3: Cross multiply
    77,330.24x = 106,755.38 × 47,539.52
  4. Step 4: Simplify right side
    77,330.24x = 5,075,099,522.62
  5. Step 5: Solve for x
    x = 5,075,099,522.62/77,330.24
  6. Step 6: Final answer
    x = 65,628.91

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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.