Home / 64,112.28-88,516.72-57,386.44

Finding the Fourth Proportional to 64,112.28, 88,516.72 and 57,386.44

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Solution

The fourth proportional to 64,112.28, 88,516.72 and 57,386.44 is: 79,230.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,112.28 : 88,516.72 = 57,386.44 : x
  2. Step 2: Convert to fraction form
    64,112.28/88,516.72 = 57,386.44/x
  3. Step 3: Cross multiply
    64,112.28x = 88,516.72 × 57,386.44
  4. Step 4: Simplify right side
    64,112.28x = 5,079,659,441.28
  5. Step 5: Solve for x
    x = 5,079,659,441.28/64,112.28
  6. Step 6: Final answer
    x = 79,230.68

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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.