Home / 106,430.12-159,464.51-64,221.50

Finding the Fourth Proportional to 106,430.12, 159,464.51 and 64,221.50

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Solution

The fourth proportional to 106,430.12, 159,464.51 and 64,221.50 is: 96,223.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,430.12 : 159,464.51 = 64,221.50 : x
  2. Step 2: Convert to fraction form
    106,430.12/159,464.51 = 64,221.50/x
  3. Step 3: Cross multiply
    106,430.12x = 159,464.51 × 64,221.50
  4. Step 4: Simplify right side
    106,430.12x = 10,241,048,910.54
  5. Step 5: Solve for x
    x = 10,241,048,910.54/106,430.12
  6. Step 6: Final answer
    x = 96,223.23

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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.