Home / 91,722.07-126,522.69-57,676.55

Finding the Fourth Proportional to 91,722.07, 126,522.69 and 57,676.55

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Solution

The fourth proportional to 91,722.07, 126,522.69 and 57,676.55 is: 79,559.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,722.07 : 126,522.69 = 57,676.55 : x
  2. Step 2: Convert to fraction form
    91,722.07/126,522.69 = 57,676.55/x
  3. Step 3: Cross multiply
    91,722.07x = 126,522.69 × 57,676.55
  4. Step 4: Simplify right side
    91,722.07x = 7,297,392,255.92
  5. Step 5: Solve for x
    x = 7,297,392,255.92/91,722.07
  6. Step 6: Final answer
    x = 79,559.83

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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.