Home / 51,302.62-70,800.43-28,641.80

Finding the Fourth Proportional to 51,302.62, 70,800.43 and 28,641.80

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Solution

The fourth proportional to 51,302.62, 70,800.43 and 28,641.80 is: 39,527.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,302.62 : 70,800.43 = 28,641.80 : x
  2. Step 2: Convert to fraction form
    51,302.62/70,800.43 = 28,641.80/x
  3. Step 3: Cross multiply
    51,302.62x = 70,800.43 × 28,641.80
  4. Step 4: Simplify right side
    51,302.62x = 2,027,851,915.07
  5. Step 5: Solve for x
    x = 2,027,851,915.07/51,302.62
  6. Step 6: Final answer
    x = 39,527.26

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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.