Home / 66,127.53-99,192.11-19,381.35

Finding the Fourth Proportional to 66,127.53, 99,192.11 and 19,381.35

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Solution

The fourth proportional to 66,127.53, 99,192.11 and 19,381.35 is: 29,072.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,127.53 : 99,192.11 = 19,381.35 : x
  2. Step 2: Convert to fraction form
    66,127.53/99,192.11 = 19,381.35/x
  3. Step 3: Cross multiply
    66,127.53x = 99,192.11 × 19,381.35
  4. Step 4: Simplify right side
    66,127.53x = 1,922,476,904.24
  5. Step 5: Solve for x
    x = 1,922,476,904.24/66,127.53
  6. Step 6: Final answer
    x = 29,072.26

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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.