Home / 66,796.04-100,200.63-19,411.55

Finding the Fourth Proportional to 66,796.04, 100,200.63 and 19,411.55

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Solution

The fourth proportional to 66,796.04, 100,200.63 and 19,411.55 is: 29,119.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,796.04 : 100,200.63 = 19,411.55 : x
  2. Step 2: Convert to fraction form
    66,796.04/100,200.63 = 19,411.55/x
  3. Step 3: Cross multiply
    66,796.04x = 100,200.63 × 19,411.55
  4. Step 4: Simplify right side
    66,796.04x = 1,945,049,038.27
  5. Step 5: Solve for x
    x = 1,945,049,038.27/66,796.04
  6. Step 6: Final answer
    x = 29,119.23

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1.5x scale

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.