Home / 67,077.95-100,616.93-66,203.15

Finding the Fourth Proportional to 67,077.95, 100,616.93 and 66,203.15

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Solution

The fourth proportional to 67,077.95, 100,616.93 and 66,203.15 is: 99,304.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,077.95 : 100,616.93 = 66,203.15 : x
  2. Step 2: Convert to fraction form
    67,077.95/100,616.93 = 66,203.15/x
  3. Step 3: Cross multiply
    67,077.95x = 100,616.93 × 66,203.15
  4. Step 4: Simplify right side
    67,077.95x = 6,661,157,378.31
  5. Step 5: Solve for x
    x = 6,661,157,378.31/67,077.95
  6. Step 6: Final answer
    x = 99,304.73

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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.