Home / 124,400.17-171,672.24-67,811.55

Finding the Fourth Proportional to 124,400.17, 171,672.24 and 67,811.55

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Solution

The fourth proportional to 124,400.17, 171,672.24 and 67,811.55 is: 93,579.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,400.17 : 171,672.24 = 67,811.55 : x
  2. Step 2: Convert to fraction form
    124,400.17/171,672.24 = 67,811.55/x
  3. Step 3: Cross multiply
    124,400.17x = 171,672.24 × 67,811.55
  4. Step 4: Simplify right side
    124,400.17x = 11,641,360,686.37
  5. Step 5: Solve for x
    x = 11,641,360,686.37/124,400.17
  6. Step 6: Final answer
    x = 93,579.94

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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.