Home / 76,336.48-114,515.20-26,403.20

Finding the Fourth Proportional to 76,336.48, 114,515.20 and 26,403.20

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Solution

The fourth proportional to 76,336.48, 114,515.20 and 26,403.20 is: 39,608.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,336.48 : 114,515.20 = 26,403.20 : x
  2. Step 2: Convert to fraction form
    76,336.48/114,515.20 = 26,403.20/x
  3. Step 3: Cross multiply
    76,336.48x = 114,515.20 × 26,403.20
  4. Step 4: Simplify right side
    76,336.48x = 3,023,567,728.64
  5. Step 5: Solve for x
    x = 3,023,567,728.64/76,336.48
  6. Step 6: Final answer
    x = 39,608.42

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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.