Home / 54,087.35-74,640.13-29,889.94

Finding the Fourth Proportional to 54,087.35, 74,640.13 and 29,889.94

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Solution

The fourth proportional to 54,087.35, 74,640.13 and 29,889.94 is: 41,247.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,087.35 : 74,640.13 = 29,889.94 : x
  2. Step 2: Convert to fraction form
    54,087.35/74,640.13 = 29,889.94/x
  3. Step 3: Cross multiply
    54,087.35x = 74,640.13 × 29,889.94
  4. Step 4: Simplify right side
    54,087.35x = 2,230,989,343.24
  5. Step 5: Solve for x
    x = 2,230,989,343.24/54,087.35
  6. Step 6: Final answer
    x = 41,247.90

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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.