Home / 109,680.37-164,520.59-39,559.68

Finding the Fourth Proportional to 109,680.37, 164,520.59 and 39,559.68

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Solution

The fourth proportional to 109,680.37, 164,520.59 and 39,559.68 is: 59,339.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,680.37 : 164,520.59 = 39,559.68 : x
  2. Step 2: Convert to fraction form
    109,680.37/164,520.59 = 39,559.68/x
  3. Step 3: Cross multiply
    109,680.37x = 164,520.59 × 39,559.68
  4. Step 4: Simplify right side
    109,680.37x = 6,508,381,696.01
  5. Step 5: Solve for x
    x = 6,508,381,696.01/109,680.37
  6. Step 6: Final answer
    x = 59,339.53

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1.5x scale

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.