Home / 55,324.21-76,347.05-31,450.89

Finding the Fourth Proportional to 55,324.21, 76,347.05 and 31,450.89

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Solution

The fourth proportional to 55,324.21, 76,347.05 and 31,450.89 is: 43,402.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,324.21 : 76,347.05 = 31,450.89 : x
  2. Step 2: Convert to fraction form
    55,324.21/76,347.05 = 31,450.89/x
  3. Step 3: Cross multiply
    55,324.21x = 76,347.05 × 31,450.89
  4. Step 4: Simplify right side
    55,324.21x = 2,401,182,671.37
  5. Step 5: Solve for x
    x = 2,401,182,671.37/55,324.21
  6. Step 6: Final answer
    x = 43,402.02

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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.