Home / 61,977.15-92,971.86-19,846.65

Finding the Fourth Proportional to 61,977.15, 92,971.86 and 19,846.65

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Solution

The fourth proportional to 61,977.15, 92,971.86 and 19,846.65 is: 29,771.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,977.15 : 92,971.86 = 19,846.65 : x
  2. Step 2: Convert to fraction form
    61,977.15/92,971.86 = 19,846.65/x
  3. Step 3: Cross multiply
    61,977.15x = 92,971.86 × 19,846.65
  4. Step 4: Simplify right side
    61,977.15x = 1,845,179,965.27
  5. Step 5: Solve for x
    x = 1,845,179,965.27/61,977.15
  6. Step 6: Final answer
    x = 29,771.94

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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.