Home / 64,556.40-89,076.60-36,263.28

Finding the Fourth Proportional to 64,556.40, 89,076.60 and 36,263.28

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Solution

The fourth proportional to 64,556.40, 89,076.60 and 36,263.28 is: 50,037.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,556.40 : 89,076.60 = 36,263.28 : x
  2. Step 2: Convert to fraction form
    64,556.40/89,076.60 = 36,263.28/x
  3. Step 3: Cross multiply
    64,556.40x = 89,076.60 × 36,263.28
  4. Step 4: Simplify right side
    64,556.40x = 3,230,209,687.25
  5. Step 5: Solve for x
    x = 3,230,209,687.25/64,556.40
  6. Step 6: Final answer
    x = 50,037.02

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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.