Home / 109,504.26-151,131.18-61,762.02

Finding the Fourth Proportional to 109,504.26, 151,131.18 and 61,762.02

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Solution

The fourth proportional to 109,504.26, 151,131.18 and 61,762.02 is: 85,240.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,504.26 : 151,131.18 = 61,762.02 : x
  2. Step 2: Convert to fraction form
    109,504.26/151,131.18 = 61,762.02/x
  3. Step 3: Cross multiply
    109,504.26x = 151,131.18 × 61,762.02
  4. Step 4: Simplify right side
    109,504.26x = 9,334,166,961.78
  5. Step 5: Solve for x
    x = 9,334,166,961.78/109,504.26
  6. Step 6: Final answer
    x = 85,240.22

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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.