Home / 45,935.08-68,903.82-12,656.44

Finding the Fourth Proportional to 45,935.08, 68,903.82 and 12,656.44

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Solution

The fourth proportional to 45,935.08, 68,903.82 and 12,656.44 is: 18,984.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,935.08 : 68,903.82 = 12,656.44 : x
  2. Step 2: Convert to fraction form
    45,935.08/68,903.82 = 12,656.44/x
  3. Step 3: Cross multiply
    45,935.08x = 68,903.82 × 12,656.44
  4. Step 4: Simplify right side
    45,935.08x = 872,077,063.60
  5. Step 5: Solve for x
    x = 872,077,063.60/45,935.08
  6. Step 6: Final answer
    x = 18,984.99

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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.