Home / 113,934.88-171,009.56-57,815.26

Finding the Fourth Proportional to 113,934.88, 171,009.56 and 57,815.26

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Solution

The fourth proportional to 113,934.88, 171,009.56 and 57,815.26 is: 86,777.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,934.88 : 171,009.56 = 57,815.26 : x
  2. Step 2: Convert to fraction form
    113,934.88/171,009.56 = 57,815.26/x
  3. Step 3: Cross multiply
    113,934.88x = 171,009.56 × 57,815.26
  4. Step 4: Simplify right side
    113,934.88x = 9,886,962,173.89
  5. Step 5: Solve for x
    x = 9,886,962,173.89/113,934.88
  6. Step 6: Final answer
    x = 86,777.31

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1.5x scale

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.