Home / 52,772.44-72,822.63-28,899.40

Finding the Fourth Proportional to 52,772.44, 72,822.63 and 28,899.40

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Solution

The fourth proportional to 52,772.44, 72,822.63 and 28,899.40 is: 39,879.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,772.44 : 72,822.63 = 28,899.40 : x
  2. Step 2: Convert to fraction form
    52,772.44/72,822.63 = 28,899.40/x
  3. Step 3: Cross multiply
    52,772.44x = 72,822.63 × 28,899.40
  4. Step 4: Simplify right side
    52,772.44x = 2,104,530,313.42
  5. Step 5: Solve for x
    x = 2,104,530,313.42/52,772.44
  6. Step 6: Final answer
    x = 39,879.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.