Home / 124,366.86-171,621.26-67,777.02

Finding the Fourth Proportional to 124,366.86, 171,621.26 and 67,777.02

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Solution

The fourth proportional to 124,366.86, 171,621.26 and 67,777.02 is: 93,529.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,366.86 : 171,621.26 = 67,777.02 : x
  2. Step 2: Convert to fraction form
    124,366.86/171,621.26 = 67,777.02/x
  3. Step 3: Cross multiply
    124,366.86x = 171,621.26 × 67,777.02
  4. Step 4: Simplify right side
    124,366.86x = 11,631,977,571.45
  5. Step 5: Solve for x
    x = 11,631,977,571.45/124,366.86
  6. Step 6: Final answer
    x = 93,529.56

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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.