Home / 66,411.84-99,588.43-19,016.19

Finding the Fourth Proportional to 66,411.84, 99,588.43 and 19,016.19

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Solution

The fourth proportional to 66,411.84, 99,588.43 and 19,016.19 is: 28,515.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,411.84 : 99,588.43 = 19,016.19 : x
  2. Step 2: Convert to fraction form
    66,411.84/99,588.43 = 19,016.19/x
  3. Step 3: Cross multiply
    66,411.84x = 99,588.43 × 19,016.19
  4. Step 4: Simplify right side
    66,411.84x = 1,893,792,857.34
  5. Step 5: Solve for x
    x = 1,893,792,857.34/66,411.84
  6. Step 6: Final answer
    x = 28,515.89

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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.