Home / 69,603.12-96,018.48-41,288.76

Finding the Fourth Proportional to 69,603.12, 96,018.48 and 41,288.76

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Solution

The fourth proportional to 69,603.12, 96,018.48 and 41,288.76 is: 56,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,603.12 : 96,018.48 = 41,288.76 : x
  2. Step 2: Convert to fraction form
    69,603.12/96,018.48 = 41,288.76/x
  3. Step 3: Cross multiply
    69,603.12x = 96,018.48 × 41,288.76
  4. Step 4: Simplify right side
    69,603.12x = 3,964,483,976.28
  5. Step 5: Solve for x
    x = 3,964,483,976.28/69,603.12
  6. Step 6: Final answer
    x = 56,958.42

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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.