Home / 75,783.03-113,600.28-64,563.72

Finding the Fourth Proportional to 75,783.03, 113,600.28 and 64,563.72

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Solution

The fourth proportional to 75,783.03, 113,600.28 and 64,563.72 is: 96,782.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,783.03 : 113,600.28 = 64,563.72 : x
  2. Step 2: Convert to fraction form
    75,783.03/113,600.28 = 64,563.72/x
  3. Step 3: Cross multiply
    75,783.03x = 113,600.28 × 64,563.72
  4. Step 4: Simplify right side
    75,783.03x = 7,334,456,669.84
  5. Step 5: Solve for x
    x = 7,334,456,669.84/75,783.03
  6. Step 6: Final answer
    x = 96,782.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.