Home / 74,789.03-102,998.90-73,156.07

Finding the Fourth Proportional to 74,789.03, 102,998.90 and 73,156.07

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Solution

The fourth proportional to 74,789.03, 102,998.90 and 73,156.07 is: 100,750.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,789.03 : 102,998.90 = 73,156.07 : x
  2. Step 2: Convert to fraction form
    74,789.03/102,998.90 = 73,156.07/x
  3. Step 3: Cross multiply
    74,789.03x = 102,998.90 × 73,156.07
  4. Step 4: Simplify right side
    74,789.03x = 7,534,994,738.32
  5. Step 5: Solve for x
    x = 7,534,994,738.32/74,789.03
  6. Step 6: Final answer
    x = 100,750.00

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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.