Home / 61,618.12-92,433.66-20,068.36

Finding the Fourth Proportional to 61,618.12, 92,433.66 and 20,068.36

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Solution

The fourth proportional to 61,618.12, 92,433.66 and 20,068.36 is: 30,104.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,618.12 : 92,433.66 = 20,068.36 : x
  2. Step 2: Convert to fraction form
    61,618.12/92,433.66 = 20,068.36/x
  3. Step 3: Cross multiply
    61,618.12x = 92,433.66 × 20,068.36
  4. Step 4: Simplify right side
    61,618.12x = 1,854,991,965.00
  5. Step 5: Solve for x
    x = 1,854,991,965.00/61,618.12
  6. Step 6: Final answer
    x = 30,104.65

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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.