Home / 97,933.88-135,145.94-55,506.12

Finding the Fourth Proportional to 97,933.88, 135,145.94 and 55,506.12

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Solution

The fourth proportional to 97,933.88, 135,145.94 and 55,506.12 is: 76,596.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,933.88 : 135,145.94 = 55,506.12 : x
  2. Step 2: Convert to fraction form
    97,933.88/135,145.94 = 55,506.12/x
  3. Step 3: Cross multiply
    97,933.88x = 135,145.94 × 55,506.12
  4. Step 4: Simplify right side
    97,933.88x = 7,501,426,763.15
  5. Step 5: Solve for x
    x = 7,501,426,763.15/97,933.88
  6. Step 6: Final answer
    x = 76,596.85

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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.