Home / 74,836.88-112,195.70-43,211.07

Finding the Fourth Proportional to 74,836.88, 112,195.70 and 43,211.07

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Solution

The fourth proportional to 74,836.88, 112,195.70 and 43,211.07 is: 64,782.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,836.88 : 112,195.70 = 43,211.07 : x
  2. Step 2: Convert to fraction form
    74,836.88/112,195.70 = 43,211.07/x
  3. Step 3: Cross multiply
    74,836.88x = 112,195.70 × 43,211.07
  4. Step 4: Simplify right side
    74,836.88x = 4,848,096,775.16
  5. Step 5: Solve for x
    x = 4,848,096,775.16/74,836.88
  6. Step 6: Final answer
    x = 64,782.19

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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.