Home / 74,032.30-102,099.99-52,479.42

Finding the Fourth Proportional to 74,032.30, 102,099.99 and 52,479.42

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Solution

The fourth proportional to 74,032.30, 102,099.99 and 52,479.42 is: 72,375.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,032.30 : 102,099.99 = 52,479.42 : x
  2. Step 2: Convert to fraction form
    74,032.30/102,099.99 = 52,479.42/x
  3. Step 3: Cross multiply
    74,032.30x = 102,099.99 × 52,479.42
  4. Step 4: Simplify right side
    74,032.30x = 5,358,148,257.21
  5. Step 5: Solve for x
    x = 5,358,148,257.21/74,032.30
  6. Step 6: Final answer
    x = 72,375.82

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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.