Home / 109,982.49-151,844.63-75,586.47

Finding the Fourth Proportional to 109,982.49, 151,844.63 and 75,586.47

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Solution

The fourth proportional to 109,982.49, 151,844.63 and 75,586.47 is: 104,356.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,982.49 : 151,844.63 = 75,586.47 : x
  2. Step 2: Convert to fraction form
    109,982.49/151,844.63 = 75,586.47/x
  3. Step 3: Cross multiply
    109,982.49x = 151,844.63 × 75,586.47
  4. Step 4: Simplify right side
    109,982.49x = 11,477,399,192.22
  5. Step 5: Solve for x
    x = 11,477,399,192.22/109,982.49
  6. Step 6: Final answer
    x = 104,356.60

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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.