Home / 124,101.60-171,263.68-67,516.48

Finding the Fourth Proportional to 124,101.60, 171,263.68 and 67,516.48

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Solution

The fourth proportional to 124,101.60, 171,263.68 and 67,516.48 is: 93,174.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,101.60 : 171,263.68 = 67,516.48 : x
  2. Step 2: Convert to fraction form
    124,101.60/171,263.68 = 67,516.48/x
  3. Step 3: Cross multiply
    124,101.60x = 171,263.68 × 67,516.48
  4. Step 4: Simplify right side
    124,101.60x = 11,563,120,825.45
  5. Step 5: Solve for x
    x = 11,563,120,825.45/124,101.60
  6. Step 6: Final answer
    x = 93,174.63

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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.