Home / 43,156.58-64,708.95-16,873.70

Finding the Fourth Proportional to 43,156.58, 64,708.95 and 16,873.70

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Solution

The fourth proportional to 43,156.58, 64,708.95 and 16,873.70 is: 25,300.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,156.58 : 64,708.95 = 16,873.70 : x
  2. Step 2: Convert to fraction form
    43,156.58/64,708.95 = 16,873.70/x
  3. Step 3: Cross multiply
    43,156.58x = 64,708.95 × 16,873.70
  4. Step 4: Simplify right side
    43,156.58x = 1,091,879,163.47
  5. Step 5: Solve for x
    x = 1,091,879,163.47/43,156.58
  6. Step 6: Final answer
    x = 25,300.41

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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.