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Finding the Fourth Proportional to 61,668.80, 92,354.10 and 35,293.58

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Solution

The fourth proportional to 61,668.80, 92,354.10 and 35,293.58 is: 52,855.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,668.80 : 92,354.10 = 35,293.58 : x
  2. Step 2: Convert to fraction form
    61,668.80/92,354.10 = 35,293.58/x
  3. Step 3: Cross multiply
    61,668.80x = 92,354.10 × 35,293.58
  4. Step 4: Simplify right side
    61,668.80x = 3,259,506,816.68
  5. Step 5: Solve for x
    x = 3,259,506,816.68/61,668.80
  6. Step 6: Final answer
    x = 52,855.04

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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.