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Finding the Fourth Proportional to 61,744.29, 92,518.02 and 39,539.40

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Solution

The fourth proportional to 61,744.29, 92,518.02 and 39,539.40 is: 59,246.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,744.29 : 92,518.02 = 39,539.40 : x
  2. Step 2: Convert to fraction form
    61,744.29/92,518.02 = 39,539.40/x
  3. Step 3: Cross multiply
    61,744.29x = 92,518.02 × 39,539.40
  4. Step 4: Simplify right side
    61,744.29x = 3,658,106,999.99
  5. Step 5: Solve for x
    x = 3,658,106,999.99/61,744.29
  6. Step 6: Final answer
    x = 59,246.08

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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.