Home / 124,339.72-186,342.78-68,095.24

Finding the Fourth Proportional to 124,339.72, 186,342.78 and 68,095.24

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Solution

The fourth proportional to 124,339.72, 186,342.78 and 68,095.24 is: 102,051.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,339.72 : 186,342.78 = 68,095.24 : x
  2. Step 2: Convert to fraction form
    124,339.72/186,342.78 = 68,095.24/x
  3. Step 3: Cross multiply
    124,339.72x = 186,342.78 × 68,095.24
  4. Step 4: Simplify right side
    124,339.72x = 12,689,056,326.37
  5. Step 5: Solve for x
    x = 12,689,056,326.37/124,339.72
  6. Step 6: Final answer
    x = 102,051.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.