Home / 66,440.09-99,650.73-19,059.23

Finding the Fourth Proportional to 66,440.09, 99,650.73 and 19,059.23

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Solution

The fourth proportional to 66,440.09, 99,650.73 and 19,059.23 is: 28,586.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,440.09 : 99,650.73 = 19,059.23 : x
  2. Step 2: Convert to fraction form
    66,440.09/99,650.73 = 19,059.23/x
  3. Step 3: Cross multiply
    66,440.09x = 99,650.73 × 19,059.23
  4. Step 4: Simplify right side
    66,440.09x = 1,899,266,182.74
  5. Step 5: Solve for x
    x = 1,899,266,182.74/66,440.09
  6. Step 6: Final answer
    x = 28,586.15

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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.