Home / 55,644.64-76,816.19-31,766.69

Finding the Fourth Proportional to 55,644.64, 76,816.19 and 31,766.69

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Solution

The fourth proportional to 55,644.64, 76,816.19 and 31,766.69 is: 43,853.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,644.64 : 76,816.19 = 31,766.69 : x
  2. Step 2: Convert to fraction form
    55,644.64/76,816.19 = 31,766.69/x
  3. Step 3: Cross multiply
    55,644.64x = 76,816.19 × 31,766.69
  4. Step 4: Simplify right side
    55,644.64x = 2,440,196,366.17
  5. Step 5: Solve for x
    x = 2,440,196,366.17/55,644.64
  6. Step 6: Final answer
    x = 43,853.22

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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.