Home / 88,405.32-122,002.10-48,121.80

Finding the Fourth Proportional to 88,405.32, 122,002.10 and 48,121.80

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Solution

The fourth proportional to 88,405.32, 122,002.10 and 48,121.80 is: 66,409.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,405.32 : 122,002.10 = 48,121.80 : x
  2. Step 2: Convert to fraction form
    88,405.32/122,002.10 = 48,121.80/x
  3. Step 3: Cross multiply
    88,405.32x = 122,002.10 × 48,121.80
  4. Step 4: Simplify right side
    88,405.32x = 5,870,960,415.17
  5. Step 5: Solve for x
    x = 5,870,960,415.17/88,405.32
  6. Step 6: Final answer
    x = 66,409.58

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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.