Home / 76,945.10-115,406.10-24,347.76

Finding the Fourth Proportional to 76,945.10, 115,406.10 and 24,347.76

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Solution

The fourth proportional to 76,945.10, 115,406.10 and 24,347.76 is: 36,517.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,945.10 : 115,406.10 = 24,347.76 : x
  2. Step 2: Convert to fraction form
    76,945.10/115,406.10 = 24,347.76/x
  3. Step 3: Cross multiply
    76,945.10x = 115,406.10 × 24,347.76
  4. Step 4: Simplify right side
    76,945.10x = 2,809,880,025.34
  5. Step 5: Solve for x
    x = 2,809,880,025.34/76,945.10
  6. Step 6: Final answer
    x = 36,517.99

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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.