Home / 55,450.80-76,522.02-31,577.49

Finding the Fourth Proportional to 55,450.80, 76,522.02 and 31,577.49

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Solution

The fourth proportional to 55,450.80, 76,522.02 and 31,577.49 is: 43,576.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,450.80 : 76,522.02 = 31,577.49 : x
  2. Step 2: Convert to fraction form
    55,450.80/76,522.02 = 31,577.49/x
  3. Step 3: Cross multiply
    55,450.80x = 76,522.02 × 31,577.49
  4. Step 4: Simplify right side
    55,450.80x = 2,416,372,938.72
  5. Step 5: Solve for x
    x = 2,416,372,938.72/55,450.80
  6. Step 6: Final answer
    x = 43,576.88

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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.