Home / 49,896.72-68,864.08-34,779.60

Finding the Fourth Proportional to 49,896.72, 68,864.08 and 34,779.60

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Solution

The fourth proportional to 49,896.72, 68,864.08 and 34,779.60 is: 48,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,896.72 : 68,864.08 = 34,779.60 : x
  2. Step 2: Convert to fraction form
    49,896.72/68,864.08 = 34,779.60/x
  3. Step 3: Cross multiply
    49,896.72x = 68,864.08 × 34,779.60
  4. Step 4: Simplify right side
    49,896.72x = 2,395,065,156.77
  5. Step 5: Solve for x
    x = 2,395,065,156.77/49,896.72
  6. Step 6: Final answer
    x = 48,000.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.