Home / 66,159.99-99,241.61-19,414.35

Finding the Fourth Proportional to 66,159.99, 99,241.61 and 19,414.35

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Solution

The fourth proportional to 66,159.99, 99,241.61 and 19,414.35 is: 29,122.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,159.99 : 99,241.61 = 19,414.35 : x
  2. Step 2: Convert to fraction form
    66,159.99/99,241.61 = 19,414.35/x
  3. Step 3: Cross multiply
    66,159.99x = 99,241.61 × 19,414.35
  4. Step 4: Simplify right side
    66,159.99x = 1,926,711,254.03
  5. Step 5: Solve for x
    x = 1,926,711,254.03/66,159.99
  6. Step 6: Final answer
    x = 29,122.00

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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.