Home / 105,462.63-158,161.35-30,588.28

Finding the Fourth Proportional to 105,462.63, 158,161.35 and 30,588.28

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Solution

The fourth proportional to 105,462.63, 158,161.35 and 30,588.28 is: 45,872.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,462.63 : 158,161.35 = 30,588.28 : x
  2. Step 2: Convert to fraction form
    105,462.63/158,161.35 = 30,588.28/x
  3. Step 3: Cross multiply
    105,462.63x = 158,161.35 × 30,588.28
  4. Step 4: Simplify right side
    105,462.63x = 4,837,883,971.39
  5. Step 5: Solve for x
    x = 4,837,883,971.39/105,462.63
  6. Step 6: Final answer
    x = 45,872.97

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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.