Home / 97,107.50-134,021.13-54,674.30

Finding the Fourth Proportional to 97,107.50, 134,021.13 and 54,674.30

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Solution

The fourth proportional to 97,107.50, 134,021.13 and 54,674.30 is: 75,457.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,107.50 : 134,021.13 = 54,674.30 : x
  2. Step 2: Convert to fraction form
    97,107.50/134,021.13 = 54,674.30/x
  3. Step 3: Cross multiply
    97,107.50x = 134,021.13 × 54,674.30
  4. Step 4: Simplify right side
    97,107.50x = 7,327,511,597.98
  5. Step 5: Solve for x
    x = 7,327,511,597.98/97,107.50
  6. Step 6: Final answer
    x = 75,457.73

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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.