Home / 124,500.75-171,811.58-67,913.34

Finding the Fourth Proportional to 124,500.75, 171,811.58 and 67,913.34

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Solution

The fourth proportional to 124,500.75, 171,811.58 and 67,913.34 is: 93,720.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,500.75 : 171,811.58 = 67,913.34 : x
  2. Step 2: Convert to fraction form
    124,500.75/171,811.58 = 67,913.34/x
  3. Step 3: Cross multiply
    124,500.75x = 171,811.58 × 67,913.34
  4. Step 4: Simplify right side
    124,500.75x = 11,668,298,418.26
  5. Step 5: Solve for x
    x = 11,668,298,418.26/124,500.75
  6. Step 6: Final answer
    x = 93,720.71

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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.