Home / 92,941.56-139,403.79-30,612.06

Finding the Fourth Proportional to 92,941.56, 139,403.79 and 30,612.06

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Solution

The fourth proportional to 92,941.56, 139,403.79 and 30,612.06 is: 45,915.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,941.56 : 139,403.79 = 30,612.06 : x
  2. Step 2: Convert to fraction form
    92,941.56/139,403.79 = 30,612.06/x
  3. Step 3: Cross multiply
    92,941.56x = 139,403.79 × 30,612.06
  4. Step 4: Simplify right side
    92,941.56x = 4,267,437,183.71
  5. Step 5: Solve for x
    x = 4,267,437,183.71/92,941.56
  6. Step 6: Final answer
    x = 45,915.27

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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.