Home / 101,234.08-139,702.80-58,817.44

Finding the Fourth Proportional to 101,234.08, 139,702.80 and 58,817.44

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Solution

The fourth proportional to 101,234.08, 139,702.80 and 58,817.44 is: 81,167.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,234.08 : 139,702.80 = 58,817.44 : x
  2. Step 2: Convert to fraction form
    101,234.08/139,702.80 = 58,817.44/x
  3. Step 3: Cross multiply
    101,234.08x = 139,702.80 × 58,817.44
  4. Step 4: Simplify right side
    101,234.08x = 8,216,961,056.83
  5. Step 5: Solve for x
    x = 8,216,961,056.83/101,234.08
  6. Step 6: Final answer
    x = 81,167.93

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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.