Home / 76,000.20-114,023.36-53,856.40

Finding the Fourth Proportional to 76,000.20, 114,023.36 and 53,856.40

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Solution

The fourth proportional to 76,000.20, 114,023.36 and 53,856.40 is: 80,800.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,000.20 : 114,023.36 = 53,856.40 : x
  2. Step 2: Convert to fraction form
    76,000.20/114,023.36 = 53,856.40/x
  3. Step 3: Cross multiply
    76,000.20x = 114,023.36 × 53,856.40
  4. Step 4: Simplify right side
    76,000.20x = 6,140,887,685.50
  5. Step 5: Solve for x
    x = 6,140,887,685.50/76,000.20
  6. Step 6: Final answer
    x = 80,800.94

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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.