Home / 92,008.42-138,012.62-29,678.92

Finding the Fourth Proportional to 92,008.42, 138,012.62 and 29,678.92

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Solution

The fourth proportional to 92,008.42, 138,012.62 and 29,678.92 is: 44,518.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,008.42 : 138,012.62 = 29,678.92 : x
  2. Step 2: Convert to fraction form
    92,008.42/138,012.62 = 29,678.92/x
  3. Step 3: Cross multiply
    92,008.42x = 138,012.62 × 29,678.92
  4. Step 4: Simplify right side
    92,008.42x = 4,096,065,014.54
  5. Step 5: Solve for x
    x = 4,096,065,014.54/92,008.42
  6. Step 6: Final answer
    x = 44,518.37

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1.5x scale

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.