Home / 99,118.46-148,467.08-67,116.98

Finding the Fourth Proportional to 99,118.46, 148,467.08 and 67,116.98

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Solution

The fourth proportional to 99,118.46, 148,467.08 and 67,116.98 is: 100,532.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,118.46 : 148,467.08 = 67,116.98 : x
  2. Step 2: Convert to fraction form
    99,118.46/148,467.08 = 67,116.98/x
  3. Step 3: Cross multiply
    99,118.46x = 148,467.08 × 67,116.98
  4. Step 4: Simplify right side
    99,118.46x = 9,964,662,039.02
  5. Step 5: Solve for x
    x = 9,964,662,039.02/99,118.46
  6. Step 6: Final answer
    x = 100,532.86

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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.