Home / 76,209.46-114,289.95-71,234.10

Finding the Fourth Proportional to 76,209.46, 114,289.95 and 71,234.10

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Solution

The fourth proportional to 76,209.46, 114,289.95 and 71,234.10 is: 106,828.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,209.46 : 114,289.95 = 71,234.10 : x
  2. Step 2: Convert to fraction form
    76,209.46/114,289.95 = 71,234.10/x
  3. Step 3: Cross multiply
    76,209.46x = 114,289.95 × 71,234.10
  4. Step 4: Simplify right side
    76,209.46x = 8,141,341,994.42
  5. Step 5: Solve for x
    x = 8,141,341,994.42/76,209.46
  6. Step 6: Final answer
    x = 106,828.50

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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.