Home / 61,724.84-85,180.20-33,430.64

Finding the Fourth Proportional to 61,724.84, 85,180.20 and 33,430.64

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Solution

The fourth proportional to 61,724.84, 85,180.20 and 33,430.64 is: 46,134.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,724.84 : 85,180.20 = 33,430.64 : x
  2. Step 2: Convert to fraction form
    61,724.84/85,180.20 = 33,430.64/x
  3. Step 3: Cross multiply
    61,724.84x = 85,180.20 × 33,430.64
  4. Step 4: Simplify right side
    61,724.84x = 2,847,628,601.33
  5. Step 5: Solve for x
    x = 2,847,628,601.33/61,724.84
  6. Step 6: Final answer
    x = 46,134.24

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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.