Home / 64,947.08-89,629.52-36,653.76

Finding the Fourth Proportional to 64,947.08, 89,629.52 and 36,653.76

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Solution

The fourth proportional to 64,947.08, 89,629.52 and 36,653.76 is: 50,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,947.08 : 89,629.52 = 36,653.76 : x
  2. Step 2: Convert to fraction form
    64,947.08/89,629.52 = 36,653.76/x
  3. Step 3: Cross multiply
    64,947.08x = 89,629.52 × 36,653.76
  4. Step 4: Simplify right side
    64,947.08x = 3,285,258,915.00
  5. Step 5: Solve for x
    x = 3,285,258,915.00/64,947.08
  6. Step 6: Final answer
    x = 50,583.63

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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.