Home / 109,550.01-164,393.06-70,135.41

Finding the Fourth Proportional to 109,550.01, 164,393.06 and 70,135.41

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Solution

The fourth proportional to 109,550.01, 164,393.06 and 70,135.41 is: 105,246.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,550.01 : 164,393.06 = 70,135.41 : x
  2. Step 2: Convert to fraction form
    109,550.01/164,393.06 = 70,135.41/x
  3. Step 3: Cross multiply
    109,550.01x = 164,393.06 × 70,135.41
  4. Step 4: Simplify right side
    109,550.01x = 11,529,774,313.58
  5. Step 5: Solve for x
    x = 11,529,774,313.58/109,550.01
  6. Step 6: Final answer
    x = 105,246.68

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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.