Home / 52,060.40-78,091.44-18,804.32

Finding the Fourth Proportional to 52,060.40, 78,091.44 and 18,804.32

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Solution

The fourth proportional to 52,060.40, 78,091.44 and 18,804.32 is: 28,206.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,060.40 : 78,091.44 = 18,804.32 : x
  2. Step 2: Convert to fraction form
    52,060.40/78,091.44 = 18,804.32/x
  3. Step 3: Cross multiply
    52,060.40x = 78,091.44 × 18,804.32
  4. Step 4: Simplify right side
    52,060.40x = 1,468,456,427.02
  5. Step 5: Solve for x
    x = 1,468,456,427.02/52,060.40
  6. Step 6: Final answer
    x = 28,206.78

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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.