Home / 66,619.02-99,938.26-19,865.82

Finding the Fourth Proportional to 66,619.02, 99,938.26 and 19,865.82

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Solution

The fourth proportional to 66,619.02, 99,938.26 and 19,865.82 is: 29,801.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,619.02 : 99,938.26 = 19,865.82 : x
  2. Step 2: Convert to fraction form
    66,619.02/99,938.26 = 19,865.82/x
  3. Step 3: Cross multiply
    66,619.02x = 99,938.26 × 19,865.82
  4. Step 4: Simplify right side
    66,619.02x = 1,985,355,484.27
  5. Step 5: Solve for x
    x = 1,985,355,484.27/66,619.02
  6. Step 6: Final answer
    x = 29,801.63

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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.