Home / 64,997.37-89,696.97-38,140.33

Finding the Fourth Proportional to 64,997.37, 89,696.97 and 38,140.33

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Solution

The fourth proportional to 64,997.37, 89,696.97 and 38,140.33 is: 52,634.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,997.37 : 89,696.97 = 38,140.33 : x
  2. Step 2: Convert to fraction form
    64,997.37/89,696.97 = 38,140.33/x
  3. Step 3: Cross multiply
    64,997.37x = 89,696.97 × 38,140.33
  4. Step 4: Simplify right side
    64,997.37x = 3,421,071,845.10
  5. Step 5: Solve for x
    x = 3,421,071,845.10/64,997.37
  6. Step 6: Final answer
    x = 52,634.01

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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.