Home / 100,630.04-150,972.28-34,070.16

Finding the Fourth Proportional to 100,630.04, 150,972.28 and 34,070.16

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Solution

The fourth proportional to 100,630.04, 150,972.28 and 34,070.16 is: 51,114.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,630.04 : 150,972.28 = 34,070.16 : x
  2. Step 2: Convert to fraction form
    100,630.04/150,972.28 = 34,070.16/x
  3. Step 3: Cross multiply
    100,630.04x = 150,972.28 × 34,070.16
  4. Step 4: Simplify right side
    100,630.04x = 5,143,649,735.16
  5. Step 5: Solve for x
    x = 5,143,649,735.16/100,630.04
  6. Step 6: Final answer
    x = 51,114.46

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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.