Home / 76,543.58-114,844.89-26,628.86

Finding the Fourth Proportional to 76,543.58, 114,844.89 and 26,628.86

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Solution

The fourth proportional to 76,543.58, 114,844.89 and 26,628.86 is: 39,953.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,543.58 : 114,844.89 = 26,628.86 : x
  2. Step 2: Convert to fraction form
    76,543.58/114,844.89 = 26,628.86/x
  3. Step 3: Cross multiply
    76,543.58x = 114,844.89 × 26,628.86
  4. Step 4: Simplify right side
    76,543.58x = 3,058,188,497.53
  5. Step 5: Solve for x
    x = 3,058,188,497.53/76,543.58
  6. Step 6: Final answer
    x = 39,953.56

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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.