Home / 77,320.49-115,973.42-24,715.85

Finding the Fourth Proportional to 77,320.49, 115,973.42 and 24,715.85

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Solution

The fourth proportional to 77,320.49, 115,973.42 and 24,715.85 is: 37,071.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,320.49 : 115,973.42 = 24,715.85 : x
  2. Step 2: Convert to fraction form
    77,320.49/115,973.42 = 24,715.85/x
  3. Step 3: Cross multiply
    77,320.49x = 115,973.42 × 24,715.85
  4. Step 4: Simplify right side
    77,320.49x = 2,866,380,949.26
  5. Step 5: Solve for x
    x = 2,866,380,949.26/77,320.49
  6. Step 6: Final answer
    x = 37,071.43

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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.