Home / 97,121.42-145,682.13-34,835.66

Finding the Fourth Proportional to 97,121.42, 145,682.13 and 34,835.66

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Solution

The fourth proportional to 97,121.42, 145,682.13 and 34,835.66 is: 52,253.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,121.42 : 145,682.13 = 34,835.66 : x
  2. Step 2: Convert to fraction form
    97,121.42/145,682.13 = 34,835.66/x
  3. Step 3: Cross multiply
    97,121.42x = 145,682.13 × 34,835.66
  4. Step 4: Simplify right side
    97,121.42x = 5,074,933,148.76
  5. Step 5: Solve for x
    x = 5,074,933,148.76/97,121.42
  6. Step 6: Final answer
    x = 52,253.49

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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.