Home / 45,400.60-68,095.89-12,123.57

Finding the Fourth Proportional to 45,400.60, 68,095.89 and 12,123.57

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Solution

The fourth proportional to 45,400.60, 68,095.89 and 12,123.57 is: 18,184.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,400.60 : 68,095.89 = 12,123.57 : x
  2. Step 2: Convert to fraction form
    45,400.60/68,095.89 = 12,123.57/x
  3. Step 3: Cross multiply
    45,400.60x = 68,095.89 × 12,123.57
  4. Step 4: Simplify right side
    45,400.60x = 825,565,544.49
  5. Step 5: Solve for x
    x = 825,565,544.49/45,400.60
  6. Step 6: Final answer
    x = 18,184.02

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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.