Home / 43,106.76-64,676.70-16,830.12

Finding the Fourth Proportional to 43,106.76, 64,676.70 and 16,830.12

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Solution

The fourth proportional to 43,106.76, 64,676.70 and 16,830.12 is: 25,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,106.76 : 64,676.70 = 16,830.12 : x
  2. Step 2: Convert to fraction form
    43,106.76/64,676.70 = 16,830.12/x
  3. Step 3: Cross multiply
    43,106.76x = 64,676.70 × 16,830.12
  4. Step 4: Simplify right side
    43,106.76x = 1,088,516,622.20
  5. Step 5: Solve for x
    x = 1,088,516,622.20/43,106.76
  6. Step 6: Final answer
    x = 25,251.65

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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.