Home / 82,738.64-124,087.80-23,579.60

Finding the Fourth Proportional to 82,738.64, 124,087.80 and 23,579.60

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Solution

The fourth proportional to 82,738.64, 124,087.80 and 23,579.60 is: 35,363.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,738.64 : 124,087.80 = 23,579.60 : x
  2. Step 2: Convert to fraction form
    82,738.64/124,087.80 = 23,579.60/x
  3. Step 3: Cross multiply
    82,738.64x = 124,087.80 × 23,579.60
  4. Step 4: Simplify right side
    82,738.64x = 2,925,940,688.88
  5. Step 5: Solve for x
    x = 2,925,940,688.88/82,738.64
  6. Step 6: Final answer
    x = 35,363.65

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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.