Home / 66,588.48-99,881.73-16,668.36

Finding the Fourth Proportional to 66,588.48, 99,881.73 and 16,668.36

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Solution

The fourth proportional to 66,588.48, 99,881.73 and 16,668.36 is: 25,002.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,588.48 : 99,881.73 = 16,668.36 : x
  2. Step 2: Convert to fraction form
    66,588.48/99,881.73 = 16,668.36/x
  3. Step 3: Cross multiply
    66,588.48x = 99,881.73 × 16,668.36
  4. Step 4: Simplify right side
    66,588.48x = 1,664,864,633.06
  5. Step 5: Solve for x
    x = 1,664,864,633.06/66,588.48
  6. Step 6: Final answer
    x = 25,002.29

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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.