Home / 84,026.88-116,050.40-57,122.68

Finding the Fourth Proportional to 84,026.88, 116,050.40 and 57,122.68

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Solution

The fourth proportional to 84,026.88, 116,050.40 and 57,122.68 is: 78,892.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,026.88 : 116,050.40 = 57,122.68 : x
  2. Step 2: Convert to fraction form
    84,026.88/116,050.40 = 57,122.68/x
  3. Step 3: Cross multiply
    84,026.88x = 116,050.40 × 57,122.68
  4. Step 4: Simplify right side
    84,026.88x = 6,629,109,863.07
  5. Step 5: Solve for x
    x = 6,629,109,863.07/84,026.88
  6. Step 6: Final answer
    x = 78,892.73

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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.