Home / 94,842.14-130,880.60-51,820.70

Finding the Fourth Proportional to 94,842.14, 130,880.60 and 51,820.70

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Solution

The fourth proportional to 94,842.14, 130,880.60 and 51,820.70 is: 71,511.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,842.14 : 130,880.60 = 51,820.70 : x
  2. Step 2: Convert to fraction form
    94,842.14/130,880.60 = 51,820.70/x
  3. Step 3: Cross multiply
    94,842.14x = 130,880.60 × 51,820.70
  4. Step 4: Simplify right side
    94,842.14x = 6,782,324,308.42
  5. Step 5: Solve for x
    x = 6,782,324,308.42/94,842.14
  6. Step 6: Final answer
    x = 71,511.72

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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.