Home / 43,276.28-64,903.28-16,981.25

Finding the Fourth Proportional to 43,276.28, 64,903.28 and 16,981.25

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Solution

The fourth proportional to 43,276.28, 64,903.28 and 16,981.25 is: 25,467.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,276.28 : 64,903.28 = 16,981.25 : x
  2. Step 2: Convert to fraction form
    43,276.28/64,903.28 = 16,981.25/x
  3. Step 3: Cross multiply
    43,276.28x = 64,903.28 × 16,981.25
  4. Step 4: Simplify right side
    43,276.28x = 1,102,138,414.08
  5. Step 5: Solve for x
    x = 1,102,138,414.08/43,276.28
  6. Step 6: Final answer
    x = 25,467.50

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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.