Home / 55,522.80-76,623.28-31,649.04

Finding the Fourth Proportional to 55,522.80, 76,623.28 and 31,649.04

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Solution

The fourth proportional to 55,522.80, 76,623.28 and 31,649.04 is: 43,676.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,522.80 : 76,623.28 = 31,649.04 : x
  2. Step 2: Convert to fraction form
    55,522.80/76,623.28 = 31,649.04/x
  3. Step 3: Cross multiply
    55,522.80x = 76,623.28 × 31,649.04
  4. Step 4: Simplify right side
    55,522.80x = 2,425,053,253.65
  5. Step 5: Solve for x
    x = 2,425,053,253.65/55,522.80
  6. Step 6: Final answer
    x = 43,676.71

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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.