Home / 88,183.46-121,686.90-49,946.88

Finding the Fourth Proportional to 88,183.46, 121,686.90 and 49,946.88

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Solution

The fourth proportional to 88,183.46, 121,686.90 and 49,946.88 is: 68,923.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,183.46 : 121,686.90 = 49,946.88 : x
  2. Step 2: Convert to fraction form
    88,183.46/121,686.90 = 49,946.88/x
  3. Step 3: Cross multiply
    88,183.46x = 121,686.90 × 49,946.88
  4. Step 4: Simplify right side
    88,183.46x = 6,077,880,991.87
  5. Step 5: Solve for x
    x = 6,077,880,991.87/88,183.46
  6. Step 6: Final answer
    x = 68,923.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.