Home / 66,116.48-99,130.68-23,991.12

Finding the Fourth Proportional to 66,116.48, 99,130.68 and 23,991.12

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Solution

The fourth proportional to 66,116.48, 99,130.68 and 23,991.12 is: 35,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,116.48 : 99,130.68 = 23,991.12 : x
  2. Step 2: Convert to fraction form
    66,116.48/99,130.68 = 23,991.12/x
  3. Step 3: Cross multiply
    66,116.48x = 99,130.68 × 23,991.12
  4. Step 4: Simplify right side
    66,116.48x = 2,378,256,039.56
  5. Step 5: Solve for x
    x = 2,378,256,039.56/66,116.48
  6. Step 6: Final answer
    x = 35,970.70

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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.