Home / 80,025.50-120,281.22-53,465.74

Finding the Fourth Proportional to 80,025.50, 120,281.22 and 53,465.74

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Solution

The fourth proportional to 80,025.50, 120,281.22 and 53,465.74 is: 80,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,025.50 : 120,281.22 = 53,465.74 : x
  2. Step 2: Convert to fraction form
    80,025.50/120,281.22 = 53,465.74/x
  3. Step 3: Cross multiply
    80,025.50x = 120,281.22 × 53,465.74
  4. Step 4: Simplify right side
    80,025.50x = 6,430,924,134.70
  5. Step 5: Solve for x
    x = 6,430,924,134.70/80,025.50
  6. Step 6: Final answer
    x = 80,360.93

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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.