Home / 104,092.16-143,611.85-67,777.02

Finding the Fourth Proportional to 104,092.16, 143,611.85 and 67,777.02

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Solution

The fourth proportional to 104,092.16, 143,611.85 and 67,777.02 is: 93,509.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,092.16 : 143,611.85 = 67,777.02 : x
  2. Step 2: Convert to fraction form
    104,092.16/143,611.85 = 67,777.02/x
  3. Step 3: Cross multiply
    104,092.16x = 143,611.85 × 67,777.02
  4. Step 4: Simplify right side
    104,092.16x = 9,733,583,399.13
  5. Step 5: Solve for x
    x = 9,733,583,399.13/104,092.16
  6. Step 6: Final answer
    x = 93,509.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.