Home / 56,401.06-84,636.68-51,145.58

Finding the Fourth Proportional to 56,401.06, 84,636.68 and 51,145.58

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Solution

The fourth proportional to 56,401.06, 84,636.68 and 51,145.58 is: 76,750.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,401.06 : 84,636.68 = 51,145.58 : x
  2. Step 2: Convert to fraction form
    56,401.06/84,636.68 = 51,145.58/x
  3. Step 3: Cross multiply
    56,401.06x = 84,636.68 × 51,145.58
  4. Step 4: Simplify right side
    56,401.06x = 4,328,792,087.87
  5. Step 5: Solve for x
    x = 4,328,792,087.87/56,401.06
  6. Step 6: Final answer
    x = 76,750.19

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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.