Home / 64,918.02-89,579.60-36,618.24

Finding the Fourth Proportional to 64,918.02, 89,579.60 and 36,618.24

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Solution

The fourth proportional to 64,918.02, 89,579.60 and 36,618.24 is: 50,529.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,918.02 : 89,579.60 = 36,618.24 : x
  2. Step 2: Convert to fraction form
    64,918.02/89,579.60 = 36,618.24/x
  3. Step 3: Cross multiply
    64,918.02x = 89,579.60 × 36,618.24
  4. Step 4: Simplify right side
    64,918.02x = 3,280,247,291.90
  5. Step 5: Solve for x
    x = 3,280,247,291.90/64,918.02
  6. Step 6: Final answer
    x = 50,529.07

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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.