Home / 73,698.36-110,547.12-21,107.86

Finding the Fourth Proportional to 73,698.36, 110,547.12 and 21,107.86

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Solution

The fourth proportional to 73,698.36, 110,547.12 and 21,107.86 is: 31,661.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,698.36 : 110,547.12 = 21,107.86 : x
  2. Step 2: Convert to fraction form
    73,698.36/110,547.12 = 21,107.86/x
  3. Step 3: Cross multiply
    73,698.36x = 110,547.12 × 21,107.86
  4. Step 4: Simplify right side
    73,698.36x = 2,333,413,132.36
  5. Step 5: Solve for x
    x = 2,333,413,132.36/73,698.36
  6. Step 6: Final answer
    x = 31,661.67

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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.