Home / 100,723.10-150,711.95-60,765.25

Finding the Fourth Proportional to 100,723.10, 150,711.95 and 60,765.25

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Solution

The fourth proportional to 100,723.10, 150,711.95 and 60,765.25 is: 90,923.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,723.10 : 150,711.95 = 60,765.25 : x
  2. Step 2: Convert to fraction form
    100,723.10/150,711.95 = 60,765.25/x
  3. Step 3: Cross multiply
    100,723.10x = 150,711.95 × 60,765.25
  4. Step 4: Simplify right side
    100,723.10x = 9,158,049,319.74
  5. Step 5: Solve for x
    x = 9,158,049,319.74/100,723.10
  6. Step 6: Final answer
    x = 90,923.03

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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.