Home / 64,945.02-89,623.62-35,137.02

Finding the Fourth Proportional to 64,945.02, 89,623.62 and 35,137.02

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Solution

The fourth proportional to 64,945.02, 89,623.62 and 35,137.02 is: 48,488.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,945.02 : 89,623.62 = 35,137.02 : x
  2. Step 2: Convert to fraction form
    64,945.02/89,623.62 = 35,137.02/x
  3. Step 3: Cross multiply
    64,945.02x = 89,623.62 × 35,137.02
  4. Step 4: Simplify right side
    64,945.02x = 3,149,106,928.41
  5. Step 5: Solve for x
    x = 3,149,106,928.41/64,945.02
  6. Step 6: Final answer
    x = 48,488.81

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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.