Home / 68,962.20-103,467.60-66,532.20

Finding the Fourth Proportional to 68,962.20, 103,467.60 and 66,532.20

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Solution

The fourth proportional to 68,962.20, 103,467.60 and 66,532.20 is: 99,821.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,962.20 : 103,467.60 = 66,532.20 : x
  2. Step 2: Convert to fraction form
    68,962.20/103,467.60 = 66,532.20/x
  3. Step 3: Cross multiply
    68,962.20x = 103,467.60 × 66,532.20
  4. Step 4: Simplify right side
    68,962.20x = 6,883,927,056.72
  5. Step 5: Solve for x
    x = 6,883,927,056.72/68,962.20
  6. Step 6: Final answer
    x = 99,821.74

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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.