Home / 66,063.18-99,093.78-45,781.23

Finding the Fourth Proportional to 66,063.18, 99,093.78 and 45,781.23

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Solution

The fourth proportional to 66,063.18, 99,093.78 and 45,781.23 is: 68,671.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,063.18 : 99,093.78 = 45,781.23 : x
  2. Step 2: Convert to fraction form
    66,063.18/99,093.78 = 45,781.23/x
  3. Step 3: Cross multiply
    66,063.18x = 99,093.78 × 45,781.23
  4. Step 4: Simplify right side
    66,063.18x = 4,536,635,133.75
  5. Step 5: Solve for x
    x = 4,536,635,133.75/66,063.18
  6. Step 6: Final answer
    x = 68,671.16

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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.