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Finding the Fourth Proportional to 61,696.98, 92,506.32 and 52,340.22

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Solution

The fourth proportional to 61,696.98, 92,506.32 and 52,340.22 is: 78,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,696.98 : 92,506.32 = 52,340.22 : x
  2. Step 2: Convert to fraction form
    61,696.98/92,506.32 = 52,340.22/x
  3. Step 3: Cross multiply
    61,696.98x = 92,506.32 × 52,340.22
  4. Step 4: Simplify right side
    61,696.98x = 4,841,801,140.19
  5. Step 5: Solve for x
    x = 4,841,801,140.19/61,696.98
  6. Step 6: Final answer
    x = 78,477.12

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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.