Home / 52,772.94-72,823.32-28,899.90

Finding the Fourth Proportional to 52,772.94, 72,823.32 and 28,899.90

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Solution

The fourth proportional to 52,772.94, 72,823.32 and 28,899.90 is: 39,880.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,772.94 : 72,823.32 = 28,899.90 : x
  2. Step 2: Convert to fraction form
    52,772.94/72,823.32 = 28,899.90/x
  3. Step 3: Cross multiply
    52,772.94x = 72,823.32 × 28,899.90
  4. Step 4: Simplify right side
    52,772.94x = 2,104,586,665.67
  5. Step 5: Solve for x
    x = 2,104,586,665.67/52,772.94
  6. Step 6: Final answer
    x = 39,880.03

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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.