Home / 92,638.40-127,861.98-52,375.48

Finding the Fourth Proportional to 92,638.40, 127,861.98 and 52,375.48

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Solution

The fourth proportional to 92,638.40, 127,861.98 and 52,375.48 is: 72,290.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,638.40 : 127,861.98 = 52,375.48 : x
  2. Step 2: Convert to fraction form
    92,638.40/127,861.98 = 52,375.48/x
  3. Step 3: Cross multiply
    92,638.40x = 127,861.98 × 52,375.48
  4. Step 4: Simplify right side
    92,638.40x = 6,696,832,576.25
  5. Step 5: Solve for x
    x = 6,696,832,576.25/92,638.40
  6. Step 6: Final answer
    x = 72,290.03

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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.