Home / 109,530.36-164,295.81-30,645.27

Finding the Fourth Proportional to 109,530.36, 164,295.81 and 30,645.27

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Solution

The fourth proportional to 109,530.36, 164,295.81 and 30,645.27 is: 45,967.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,530.36 : 164,295.81 = 30,645.27 : x
  2. Step 2: Convert to fraction form
    109,530.36/164,295.81 = 30,645.27/x
  3. Step 3: Cross multiply
    109,530.36x = 164,295.81 × 30,645.27
  4. Step 4: Simplify right side
    109,530.36x = 5,034,889,457.32
  5. Step 5: Solve for x
    x = 5,034,889,457.32/109,530.36
  6. Step 6: Final answer
    x = 45,967.98

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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.