Home / 66,119.04-99,165.60-19,359.36

Finding the Fourth Proportional to 66,119.04, 99,165.60 and 19,359.36

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Solution

The fourth proportional to 66,119.04, 99,165.60 and 19,359.36 is: 29,035.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,119.04 : 99,165.60 = 19,359.36 : x
  2. Step 2: Convert to fraction form
    66,119.04/99,165.60 = 19,359.36/x
  3. Step 3: Cross multiply
    66,119.04x = 99,165.60 × 19,359.36
  4. Step 4: Simplify right side
    66,119.04x = 1,919,782,550.02
  5. Step 5: Solve for x
    x = 1,919,782,550.02/66,119.04
  6. Step 6: Final answer
    x = 29,035.25

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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.