Home / 69,076.09-95,325.15-40,783.60

Finding the Fourth Proportional to 69,076.09, 95,325.15 and 40,783.60

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Solution

The fourth proportional to 69,076.09, 95,325.15 and 40,783.60 is: 56,281.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,076.09 : 95,325.15 = 40,783.60 : x
  2. Step 2: Convert to fraction form
    69,076.09/95,325.15 = 40,783.60/x
  3. Step 3: Cross multiply
    69,076.09x = 95,325.15 × 40,783.60
  4. Step 4: Simplify right side
    69,076.09x = 3,887,702,787.54
  5. Step 5: Solve for x
    x = 3,887,702,787.54/69,076.09
  6. Step 6: Final answer
    x = 56,281.45

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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.