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Finding the Fourth Proportional to 61,291.69, 92,075.93 and 36,348.10

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Solution

The fourth proportional to 61,291.69, 92,075.93 and 36,348.10 is: 54,604.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,291.69 : 92,075.93 = 36,348.10 : x
  2. Step 2: Convert to fraction form
    61,291.69/92,075.93 = 36,348.10/x
  3. Step 3: Cross multiply
    61,291.69x = 92,075.93 × 36,348.10
  4. Step 4: Simplify right side
    61,291.69x = 3,346,784,650.85
  5. Step 5: Solve for x
    x = 3,346,784,650.85/61,291.69
  6. Step 6: Final answer
    x = 54,604.22

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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.