Home / 55,607.25-76,738.04-30,113.81

Finding the Fourth Proportional to 55,607.25, 76,738.04 and 30,113.81

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Solution

The fourth proportional to 55,607.25, 76,738.04 and 30,113.81 is: 41,557.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,607.25 : 76,738.04 = 30,113.81 : x
  2. Step 2: Convert to fraction form
    55,607.25/76,738.04 = 30,113.81/x
  3. Step 3: Cross multiply
    55,607.25x = 76,738.04 × 30,113.81
  4. Step 4: Simplify right side
    55,607.25x = 2,310,874,756.33
  5. Step 5: Solve for x
    x = 2,310,874,756.33/55,607.25
  6. Step 6: Final answer
    x = 41,557.08

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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.