Home / 77,039.34-115,569.95-23,735.65

Finding the Fourth Proportional to 77,039.34, 115,569.95 and 23,735.65

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Solution

The fourth proportional to 77,039.34, 115,569.95 and 23,735.65 is: 35,606.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,039.34 : 115,569.95 = 23,735.65 : x
  2. Step 2: Convert to fraction form
    77,039.34/115,569.95 = 23,735.65/x
  3. Step 3: Cross multiply
    77,039.34x = 115,569.95 × 23,735.65
  4. Step 4: Simplify right side
    77,039.34x = 2,743,127,883.72
  5. Step 5: Solve for x
    x = 2,743,127,883.72/77,039.34
  6. Step 6: Final answer
    x = 35,606.85

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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.