Home / 97,135.53-145,723.00-40,975.82

Finding the Fourth Proportional to 97,135.53, 145,723.00 and 40,975.82

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Solution

The fourth proportional to 97,135.53, 145,723.00 and 40,975.82 is: 61,472.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,135.53 : 145,723.00 = 40,975.82 : x
  2. Step 2: Convert to fraction form
    97,135.53/145,723.00 = 40,975.82/x
  3. Step 3: Cross multiply
    97,135.53x = 145,723.00 × 40,975.82
  4. Step 4: Simplify right side
    97,135.53x = 5,971,120,029.79
  5. Step 5: Solve for x
    x = 5,971,120,029.79/97,135.53
  6. Step 6: Final answer
    x = 61,472.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.