Home / 88,571.56-122,262.88-64,886.36

Finding the Fourth Proportional to 88,571.56, 122,262.88 and 64,886.36

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Solution

The fourth proportional to 88,571.56, 122,262.88 and 64,886.36 is: 89,568.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,571.56 : 122,262.88 = 64,886.36 : x
  2. Step 2: Convert to fraction form
    88,571.56/122,262.88 = 64,886.36/x
  3. Step 3: Cross multiply
    88,571.56x = 122,262.88 × 64,886.36
  4. Step 4: Simplify right side
    88,571.56x = 7,933,193,246.32
  5. Step 5: Solve for x
    x = 7,933,193,246.32/88,571.56
  6. Step 6: Final answer
    x = 89,568.18

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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.