Home / 66,000.02-98,979.18-21,616.58

Finding the Fourth Proportional to 66,000.02, 98,979.18 and 21,616.58

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Solution

The fourth proportional to 66,000.02, 98,979.18 and 21,616.58 is: 32,418.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,000.02 : 98,979.18 = 21,616.58 : x
  2. Step 2: Convert to fraction form
    66,000.02/98,979.18 = 21,616.58/x
  3. Step 3: Cross multiply
    66,000.02x = 98,979.18 × 21,616.58
  4. Step 4: Simplify right side
    66,000.02x = 2,139,591,362.80
  5. Step 5: Solve for x
    x = 2,139,591,362.80/66,000.02
  6. Step 6: Final answer
    x = 32,418.04

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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.