Home / 55,607.37-76,738.21-30,113.94

Finding the Fourth Proportional to 55,607.37, 76,738.21 and 30,113.94

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Solution

The fourth proportional to 55,607.37, 76,738.21 and 30,113.94 is: 41,557.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,607.37 : 76,738.21 = 30,113.94 : x
  2. Step 2: Convert to fraction form
    55,607.37/76,738.21 = 30,113.94/x
  3. Step 3: Cross multiply
    55,607.37x = 76,738.21 × 30,113.94
  4. Step 4: Simplify right side
    55,607.37x = 2,310,889,851.65
  5. Step 5: Solve for x
    x = 2,310,889,851.65/55,607.37
  6. Step 6: Final answer
    x = 41,557.26

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1.5x scale

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.