Home / 64,865.06-89,513.73-35,057.06

Finding the Fourth Proportional to 64,865.06, 89,513.73 and 35,057.06

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Solution

The fourth proportional to 64,865.06, 89,513.73 and 35,057.06 is: 48,378.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,865.06 : 89,513.73 = 35,057.06 : x
  2. Step 2: Convert to fraction form
    64,865.06/89,513.73 = 35,057.06/x
  3. Step 3: Cross multiply
    64,865.06x = 89,513.73 × 35,057.06
  4. Step 4: Simplify right side
    64,865.06x = 3,138,088,203.43
  5. Step 5: Solve for x
    x = 3,138,088,203.43/64,865.06
  6. Step 6: Final answer
    x = 48,378.71

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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.