Home / 61,209.09-91,815.93-16,835.94

Finding the Fourth Proportional to 61,209.09, 91,815.93 and 16,835.94

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Solution

The fourth proportional to 61,209.09, 91,815.93 and 16,835.94 is: 25,254.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,209.09 : 91,815.93 = 16,835.94 : x
  2. Step 2: Convert to fraction form
    61,209.09/91,815.93 = 16,835.94/x
  3. Step 3: Cross multiply
    61,209.09x = 91,815.93 × 16,835.94
  4. Step 4: Simplify right side
    61,209.09x = 1,545,807,488.52
  5. Step 5: Solve for x
    x = 1,545,807,488.52/61,209.09
  6. Step 6: Final answer
    x = 25,254.54

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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.