Home / 45,374.72-68,065.32-12,094.61

Finding the Fourth Proportional to 45,374.72, 68,065.32 and 12,094.61

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Solution

The fourth proportional to 45,374.72, 68,065.32 and 12,094.61 is: 18,142.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,374.72 : 68,065.32 = 12,094.61 : x
  2. Step 2: Convert to fraction form
    45,374.72/68,065.32 = 12,094.61/x
  3. Step 3: Cross multiply
    45,374.72x = 68,065.32 × 12,094.61
  4. Step 4: Simplify right side
    45,374.72x = 823,223,159.60
  5. Step 5: Solve for x
    x = 823,223,159.60/45,374.72
  6. Step 6: Final answer
    x = 18,142.77

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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.