Home / 97,267.11-145,900.67-75,112.80

Finding the Fourth Proportional to 97,267.11, 145,900.67 and 75,112.80

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Solution

The fourth proportional to 97,267.11, 145,900.67 and 75,112.80 is: 112,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,267.11 : 145,900.67 = 75,112.80 : x
  2. Step 2: Convert to fraction form
    97,267.11/145,900.67 = 75,112.80/x
  3. Step 3: Cross multiply
    97,267.11x = 145,900.67 × 75,112.80
  4. Step 4: Simplify right side
    97,267.11x = 10,959,007,470.01
  5. Step 5: Solve for x
    x = 10,959,007,470.01/97,267.11
  6. Step 6: Final answer
    x = 112,669.20

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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.