Home / 56,660.64-84,990.96-15,107.64

Finding the Fourth Proportional to 56,660.64, 84,990.96 and 15,107.64

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Solution

The fourth proportional to 56,660.64, 84,990.96 and 15,107.64 is: 22,661.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,660.64 : 84,990.96 = 15,107.64 : x
  2. Step 2: Convert to fraction form
    56,660.64/84,990.96 = 15,107.64/x
  3. Step 3: Cross multiply
    56,660.64x = 84,990.96 × 15,107.64
  4. Step 4: Simplify right side
    56,660.64x = 1,284,012,826.93
  5. Step 5: Solve for x
    x = 1,284,012,826.93/56,660.64
  6. Step 6: Final answer
    x = 22,661.46

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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.