Home / 66,090.84-99,102.24-26,637.36

Finding the Fourth Proportional to 66,090.84, 99,102.24 and 26,637.36

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Solution

The fourth proportional to 66,090.84, 99,102.24 and 26,637.36 is: 39,942.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,090.84 : 99,102.24 = 26,637.36 : x
  2. Step 2: Convert to fraction form
    66,090.84/99,102.24 = 26,637.36/x
  3. Step 3: Cross multiply
    66,090.84x = 99,102.24 × 26,637.36
  4. Step 4: Simplify right side
    66,090.84x = 2,639,822,043.69
  5. Step 5: Solve for x
    x = 2,639,822,043.69/66,090.84
  6. Step 6: Final answer
    x = 39,942.33

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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.