Home / 104,351.48-144,003.96-56,603.81

Finding the Fourth Proportional to 104,351.48, 144,003.96 and 56,603.81

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Solution

The fourth proportional to 104,351.48, 144,003.96 and 56,603.81 is: 78,112.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,351.48 : 144,003.96 = 56,603.81 : x
  2. Step 2: Convert to fraction form
    104,351.48/144,003.96 = 56,603.81/x
  3. Step 3: Cross multiply
    104,351.48x = 144,003.96 × 56,603.81
  4. Step 4: Simplify right side
    104,351.48x = 8,151,172,791.09
  5. Step 5: Solve for x
    x = 8,151,172,791.09/104,351.48
  6. Step 6: Final answer
    x = 78,112.67

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1.5x scale

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.