Home / 81,360.50-122,227.44-57,726.32

Finding the Fourth Proportional to 81,360.50, 122,227.44 and 57,726.32

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Solution

The fourth proportional to 81,360.50, 122,227.44 and 57,726.32 is: 86,721.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,360.50 : 122,227.44 = 57,726.32 : x
  2. Step 2: Convert to fraction form
    81,360.50/122,227.44 = 57,726.32/x
  3. Step 3: Cross multiply
    81,360.50x = 122,227.44 × 57,726.32
  4. Step 4: Simplify right side
    81,360.50x = 7,055,740,314.22
  5. Step 5: Solve for x
    x = 7,055,740,314.22/81,360.50
  6. Step 6: Final answer
    x = 86,721.94

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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.