Home / 53,191.22-79,786.89-49,943.52

Finding the Fourth Proportional to 53,191.22, 79,786.89 and 49,943.52

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Solution

The fourth proportional to 53,191.22, 79,786.89 and 49,943.52 is: 74,915.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,191.22 : 79,786.89 = 49,943.52 : x
  2. Step 2: Convert to fraction form
    53,191.22/79,786.89 = 49,943.52/x
  3. Step 3: Cross multiply
    53,191.22x = 79,786.89 × 49,943.52
  4. Step 4: Simplify right side
    53,191.22x = 3,984,838,136.45
  5. Step 5: Solve for x
    x = 3,984,838,136.45/53,191.22
  6. Step 6: Final answer
    x = 74,915.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.