Home / 68,644.86-94,725.45-38,429.93

Finding the Fourth Proportional to 68,644.86, 94,725.45 and 38,429.93

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Solution

The fourth proportional to 68,644.86, 94,725.45 and 38,429.93 is: 53,030.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,644.86 : 94,725.45 = 38,429.93 : x
  2. Step 2: Convert to fraction form
    68,644.86/94,725.45 = 38,429.93/x
  3. Step 3: Cross multiply
    68,644.86x = 94,725.45 × 38,429.93
  4. Step 4: Simplify right side
    68,644.86x = 3,640,292,412.72
  5. Step 5: Solve for x
    x = 3,640,292,412.72/68,644.86
  6. Step 6: Final answer
    x = 53,030.81

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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.