Home / 45,910.80-68,858.64-42,922.08

Finding the Fourth Proportional to 45,910.80, 68,858.64 and 42,922.08

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Solution

The fourth proportional to 45,910.80, 68,858.64 and 42,922.08 is: 64,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,910.80 : 68,858.64 = 42,922.08 : x
  2. Step 2: Convert to fraction form
    45,910.80/68,858.64 = 42,922.08/x
  3. Step 3: Cross multiply
    45,910.80x = 68,858.64 × 42,922.08
  4. Step 4: Simplify right side
    45,910.80x = 2,955,556,054.77
  5. Step 5: Solve for x
    x = 2,955,556,054.77/45,910.80
  6. Step 6: Final answer
    x = 64,376.05

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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.