Home / 49,135.16-67,806.75-27,915.59

Finding the Fourth Proportional to 49,135.16, 67,806.75 and 27,915.59

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Solution

The fourth proportional to 49,135.16, 67,806.75 and 27,915.59 is: 38,523.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,135.16 : 67,806.75 = 27,915.59 : x
  2. Step 2: Convert to fraction form
    49,135.16/67,806.75 = 27,915.59/x
  3. Step 3: Cross multiply
    49,135.16x = 67,806.75 × 27,915.59
  4. Step 4: Simplify right side
    49,135.16x = 1,892,865,432.23
  5. Step 5: Solve for x
    x = 1,892,865,432.23/49,135.16
  6. Step 6: Final answer
    x = 38,523.64

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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.