Home / 88,389.16-122,022.18-68,200.68

Finding the Fourth Proportional to 88,389.16, 122,022.18 and 68,200.68

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Solution

The fourth proportional to 88,389.16, 122,022.18 and 68,200.68 is: 94,151.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,389.16 : 122,022.18 = 68,200.68 : x
  2. Step 2: Convert to fraction form
    88,389.16/122,022.18 = 68,200.68/x
  3. Step 3: Cross multiply
    88,389.16x = 122,022.18 × 68,200.68
  4. Step 4: Simplify right side
    88,389.16x = 8,321,995,651.08
  5. Step 5: Solve for x
    x = 8,321,995,651.08/88,389.16
  6. Step 6: Final answer
    x = 94,151.77

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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.