Home / 66,594.91-99,877.38-19,199.79

Finding the Fourth Proportional to 66,594.91, 99,877.38 and 19,199.79

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Solution

The fourth proportional to 66,594.91, 99,877.38 and 19,199.79 is: 28,795.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,594.91 : 99,877.38 = 19,199.79 : x
  2. Step 2: Convert to fraction form
    66,594.91/99,877.38 = 19,199.79/x
  3. Step 3: Cross multiply
    66,594.91x = 99,877.38 × 19,199.79
  4. Step 4: Simplify right side
    66,594.91x = 1,917,624,721.75
  5. Step 5: Solve for x
    x = 1,917,624,721.75/66,594.91
  6. Step 6: Final answer
    x = 28,795.36

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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.