Home / 52,786.98-72,846.87-28,915.92

Finding the Fourth Proportional to 52,786.98, 72,846.87 and 28,915.92

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Solution

The fourth proportional to 52,786.98, 72,846.87 and 28,915.92 is: 39,904.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,786.98 : 72,846.87 = 28,915.92 : x
  2. Step 2: Convert to fraction form
    52,786.98/72,846.87 = 28,915.92/x
  3. Step 3: Cross multiply
    52,786.98x = 72,846.87 × 28,915.92
  4. Step 4: Simplify right side
    52,786.98x = 2,106,434,265.17
  5. Step 5: Solve for x
    x = 2,106,434,265.17/52,786.98
  6. Step 6: Final answer
    x = 39,904.43

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1.5x scale

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.