Home / 76,896.63-115,346.70-23,589.72

Finding the Fourth Proportional to 76,896.63, 115,346.70 and 23,589.72

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Solution

The fourth proportional to 76,896.63, 115,346.70 and 23,589.72 is: 35,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,896.63 : 115,346.70 = 23,589.72 : x
  2. Step 2: Convert to fraction form
    76,896.63/115,346.70 = 23,589.72/x
  3. Step 3: Cross multiply
    76,896.63x = 115,346.70 × 23,589.72
  4. Step 4: Simplify right side
    76,896.63x = 2,720,996,355.92
  5. Step 5: Solve for x
    x = 2,720,996,355.92/76,896.63
  6. Step 6: Final answer
    x = 35,385.12

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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.