Home / 100,911.04-151,366.58-41,681.60

Finding the Fourth Proportional to 100,911.04, 151,366.58 and 41,681.60

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Solution

The fourth proportional to 100,911.04, 151,366.58 and 41,681.60 is: 62,522.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,911.04 : 151,366.58 = 41,681.60 : x
  2. Step 2: Convert to fraction form
    100,911.04/151,366.58 = 41,681.60/x
  3. Step 3: Cross multiply
    100,911.04x = 151,366.58 × 41,681.60
  4. Step 4: Simplify right side
    100,911.04x = 6,309,201,240.93
  5. Step 5: Solve for x
    x = 6,309,201,240.93/100,911.04
  6. Step 6: Final answer
    x = 62,522.41

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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.