Home / 74,553.98-102,831.37-45,836.02

Finding the Fourth Proportional to 74,553.98, 102,831.37 and 45,836.02

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Solution

The fourth proportional to 74,553.98, 102,831.37 and 45,836.02 is: 63,221.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,553.98 : 102,831.37 = 45,836.02 : x
  2. Step 2: Convert to fraction form
    74,553.98/102,831.37 = 45,836.02/x
  3. Step 3: Cross multiply
    74,553.98x = 102,831.37 × 45,836.02
  4. Step 4: Simplify right side
    74,553.98x = 4,713,380,606.06
  5. Step 5: Solve for x
    x = 4,713,380,606.06/74,553.98
  6. Step 6: Final answer
    x = 63,221.05

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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.