Home / 124,500.92-171,811.81-67,913.51

Finding the Fourth Proportional to 124,500.92, 171,811.81 and 67,913.51

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Solution

The fourth proportional to 124,500.92, 171,811.81 and 67,913.51 is: 93,720.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,500.92 : 171,811.81 = 67,913.51 : x
  2. Step 2: Convert to fraction form
    124,500.92/171,811.81 = 67,913.51/x
  3. Step 3: Cross multiply
    124,500.92x = 171,811.81 × 67,913.51
  4. Step 4: Simplify right side
    124,500.92x = 11,668,343,076.55
  5. Step 5: Solve for x
    x = 11,668,343,076.55/124,500.92
  6. Step 6: Final answer
    x = 93,720.94

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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.