Home / 71,702.21-107,555.14-40,094.60

Finding the Fourth Proportional to 71,702.21, 107,555.14 and 40,094.60

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Solution

The fourth proportional to 71,702.21, 107,555.14 and 40,094.60 is: 60,142.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,702.21 : 107,555.14 = 40,094.60 : x
  2. Step 2: Convert to fraction form
    71,702.21/107,555.14 = 40,094.60/x
  3. Step 3: Cross multiply
    71,702.21x = 107,555.14 × 40,094.60
  4. Step 4: Simplify right side
    71,702.21x = 4,312,379,828.59
  5. Step 5: Solve for x
    x = 4,312,379,828.59/71,702.21
  6. Step 6: Final answer
    x = 60,142.91

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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.