Home / 77,262.22-106,603.59-43,728.22

Finding the Fourth Proportional to 77,262.22, 106,603.59 and 43,728.22

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Solution

The fourth proportional to 77,262.22, 106,603.59 and 43,728.22 is: 60,334.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262.22 : 106,603.59 = 43,728.22 : x
  2. Step 2: Convert to fraction form
    77,262.22/106,603.59 = 43,728.22/x
  3. Step 3: Cross multiply
    77,262.22x = 106,603.59 × 43,728.22
  4. Step 4: Simplify right side
    77,262.22x = 4,661,585,236.31
  5. Step 5: Solve for x
    x = 4,661,585,236.31/77,262.22
  6. Step 6: Final answer
    x = 60,334.60

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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.