Home / 52,584.08-72,563.20-28,710.40

Finding the Fourth Proportional to 52,584.08, 72,563.20 and 28,710.40

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Solution

The fourth proportional to 52,584.08, 72,563.20 and 28,710.40 is: 39,618.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,584.08 : 72,563.20 = 28,710.40 : x
  2. Step 2: Convert to fraction form
    52,584.08/72,563.20 = 28,710.40/x
  3. Step 3: Cross multiply
    52,584.08x = 72,563.20 × 28,710.40
  4. Step 4: Simplify right side
    52,584.08x = 2,083,318,497.28
  5. Step 5: Solve for x
    x = 2,083,318,497.28/52,584.08
  6. Step 6: Final answer
    x = 39,618.81

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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.