Home / 76,309.48-114,497.10-36,896.20

Finding the Fourth Proportional to 76,309.48, 114,497.10 and 36,896.20

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Solution

The fourth proportional to 76,309.48, 114,497.10 and 36,896.20 is: 55,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,309.48 : 114,497.10 = 36,896.20 : x
  2. Step 2: Convert to fraction form
    76,309.48/114,497.10 = 36,896.20/x
  3. Step 3: Cross multiply
    76,309.48x = 114,497.10 × 36,896.20
  4. Step 4: Simplify right side
    76,309.48x = 4,224,507,901.02
  5. Step 5: Solve for x
    x = 4,224,507,901.02/76,309.48
  6. Step 6: Final answer
    x = 55,360.20

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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.