Home / 76,436.20-114,665.10-23,840.20

Finding the Fourth Proportional to 76,436.20, 114,665.10 and 23,840.20

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Solution

The fourth proportional to 76,436.20, 114,665.10 and 23,840.20 is: 35,763.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,436.20 : 114,665.10 = 23,840.20 : x
  2. Step 2: Convert to fraction form
    76,436.20/114,665.10 = 23,840.20/x
  3. Step 3: Cross multiply
    76,436.20x = 114,665.10 × 23,840.20
  4. Step 4: Simplify right side
    76,436.20x = 2,733,638,917.02
  5. Step 5: Solve for x
    x = 2,733,638,917.02/76,436.20
  6. Step 6: Final answer
    x = 35,763.67

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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.