Home / 74,860.74-112,344.57-55,190.70

Finding the Fourth Proportional to 74,860.74, 112,344.57 and 55,190.70

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Solution

The fourth proportional to 74,860.74, 112,344.57 and 55,190.70 is: 82,825.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,860.74 : 112,344.57 = 55,190.70 : x
  2. Step 2: Convert to fraction form
    74,860.74/112,344.57 = 55,190.70/x
  3. Step 3: Cross multiply
    74,860.74x = 112,344.57 × 55,190.70
  4. Step 4: Simplify right side
    74,860.74x = 6,200,375,459.50
  5. Step 5: Solve for x
    x = 6,200,375,459.50/74,860.74
  6. Step 6: Final answer
    x = 82,825.46

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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.