Home / 90,289.41-124,558.02-58,468.56

Finding the Fourth Proportional to 90,289.41, 124,558.02 and 58,468.56

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Solution

The fourth proportional to 90,289.41, 124,558.02 and 58,468.56 is: 80,659.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,289.41 : 124,558.02 = 58,468.56 : x
  2. Step 2: Convert to fraction form
    90,289.41/124,558.02 = 58,468.56/x
  3. Step 3: Cross multiply
    90,289.41x = 124,558.02 × 58,468.56
  4. Step 4: Simplify right side
    90,289.41x = 7,282,728,065.85
  5. Step 5: Solve for x
    x = 7,282,728,065.85/90,289.41
  6. Step 6: Final answer
    x = 80,659.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.