Home / 64,583.13-89,127.36-36,288.75

Finding the Fourth Proportional to 64,583.13, 89,127.36 and 36,288.75

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Solution

The fourth proportional to 64,583.13, 89,127.36 and 36,288.75 is: 50,079.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,583.13 : 89,127.36 = 36,288.75 : x
  2. Step 2: Convert to fraction form
    64,583.13/89,127.36 = 36,288.75/x
  3. Step 3: Cross multiply
    64,583.13x = 89,127.36 × 36,288.75
  4. Step 4: Simplify right side
    64,583.13x = 3,234,320,485.20
  5. Step 5: Solve for x
    x = 3,234,320,485.20/64,583.13
  6. Step 6: Final answer
    x = 50,079.96

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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.