Home / 124,367.86-171,622.64-67,778.02

Finding the Fourth Proportional to 124,367.86, 171,622.64 and 67,778.02

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Solution

The fourth proportional to 124,367.86, 171,622.64 and 67,778.02 is: 93,530.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,367.86 : 171,622.64 = 67,778.02 : x
  2. Step 2: Convert to fraction form
    124,367.86/171,622.64 = 67,778.02/x
  3. Step 3: Cross multiply
    124,367.86x = 171,622.64 × 67,778.02
  4. Step 4: Simplify right side
    124,367.86x = 11,632,242,726.37
  5. Step 5: Solve for x
    x = 11,632,242,726.37/124,367.86
  6. Step 6: Final answer
    x = 93,530.94

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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.