Home / 94,868.58-130,932.54-57,142.02

Finding the Fourth Proportional to 94,868.58, 130,932.54 and 57,142.02

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Solution

The fourth proportional to 94,868.58, 130,932.54 and 57,142.02 is: 78,864.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,868.58 : 130,932.54 = 57,142.02 : x
  2. Step 2: Convert to fraction form
    94,868.58/130,932.54 = 57,142.02/x
  3. Step 3: Cross multiply
    94,868.58x = 130,932.54 × 57,142.02
  4. Step 4: Simplify right side
    94,868.58x = 7,481,749,819.33
  5. Step 5: Solve for x
    x = 7,481,749,819.33/94,868.58
  6. Step 6: Final answer
    x = 78,864.36

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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.