Home / 55,398.56-76,450.10-31,525.43

Finding the Fourth Proportional to 55,398.56, 76,450.10 and 31,525.43

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Solution

The fourth proportional to 55,398.56, 76,450.10 and 31,525.43 is: 43,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,398.56 : 76,450.10 = 31,525.43 : x
  2. Step 2: Convert to fraction form
    55,398.56/76,450.10 = 31,525.43/x
  3. Step 3: Cross multiply
    55,398.56x = 76,450.10 × 31,525.43
  4. Step 4: Simplify right side
    55,398.56x = 2,410,121,736.17
  5. Step 5: Solve for x
    x = 2,410,121,736.17/55,398.56
  6. Step 6: Final answer
    x = 43,505.14

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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.