Home / 124,415.12-171,688.52-67,825.36

Finding the Fourth Proportional to 124,415.12, 171,688.52 and 67,825.36

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Solution

The fourth proportional to 124,415.12, 171,688.52 and 67,825.36 is: 93,596.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,415.12 : 171,688.52 = 67,825.36 : x
  2. Step 2: Convert to fraction form
    124,415.12/171,688.52 = 67,825.36/x
  3. Step 3: Cross multiply
    124,415.12x = 171,688.52 × 67,825.36
  4. Step 4: Simplify right side
    124,415.12x = 11,644,835,676.87
  5. Step 5: Solve for x
    x = 11,644,835,676.87/124,415.12
  6. Step 6: Final answer
    x = 93,596.63

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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.