Home / 81,644.58-122,350.02-46,511.64

Finding the Fourth Proportional to 81,644.58, 122,350.02 and 46,511.64

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Solution

The fourth proportional to 81,644.58, 122,350.02 and 46,511.64 is: 69,700.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,644.58 : 122,350.02 = 46,511.64 : x
  2. Step 2: Convert to fraction form
    81,644.58/122,350.02 = 46,511.64/x
  3. Step 3: Cross multiply
    81,644.58x = 122,350.02 × 46,511.64
  4. Step 4: Simplify right side
    81,644.58x = 5,690,700,084.23
  5. Step 5: Solve for x
    x = 5,690,700,084.23/81,644.58
  6. Step 6: Final answer
    x = 69,700.89

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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.