Home / 113,705.29-156,905.94-62,714.98

Finding the Fourth Proportional to 113,705.29, 156,905.94 and 62,714.98

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Solution

The fourth proportional to 113,705.29, 156,905.94 and 62,714.98 is: 86,542.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,705.29 : 156,905.94 = 62,714.98 : x
  2. Step 2: Convert to fraction form
    113,705.29/156,905.94 = 62,714.98/x
  3. Step 3: Cross multiply
    113,705.29x = 156,905.94 × 62,714.98
  4. Step 4: Simplify right side
    113,705.29x = 9,840,352,888.98
  5. Step 5: Solve for x
    x = 9,840,352,888.98/113,705.29
  6. Step 6: Final answer
    x = 86,542.61

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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.