Home / 77,083.90-115,638.32-23,763.41

Finding the Fourth Proportional to 77,083.90, 115,638.32 and 23,763.41

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Solution

The fourth proportional to 77,083.90, 115,638.32 and 23,763.41 is: 35,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,083.90 : 115,638.32 = 23,763.41 : x
  2. Step 2: Convert to fraction form
    77,083.90/115,638.32 = 23,763.41/x
  3. Step 3: Cross multiply
    77,083.90x = 115,638.32 × 23,763.41
  4. Step 4: Simplify right side
    77,083.90x = 2,747,960,246.53
  5. Step 5: Solve for x
    x = 2,747,960,246.53/77,083.90
  6. Step 6: Final answer
    x = 35,648.95

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1.5x scale

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.