Home / 124,714.31-187,089.92-45,822.39

Finding the Fourth Proportional to 124,714.31, 187,089.92 and 45,822.39

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Solution

The fourth proportional to 124,714.31, 187,089.92 and 45,822.39 is: 68,740.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,714.31 : 187,089.92 = 45,822.39 : x
  2. Step 2: Convert to fraction form
    124,714.31/187,089.92 = 45,822.39/x
  3. Step 3: Cross multiply
    124,714.31x = 187,089.92 × 45,822.39
  4. Step 4: Simplify right side
    124,714.31x = 8,572,907,279.31
  5. Step 5: Solve for x
    x = 8,572,907,279.31/124,714.31
  6. Step 6: Final answer
    x = 68,740.37

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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.