Home / 127,855.42-191,784.76-48,974.38

Finding the Fourth Proportional to 127,855.42, 191,784.76 and 48,974.38

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Solution

The fourth proportional to 127,855.42, 191,784.76 and 48,974.38 is: 73,462.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,855.42 : 191,784.76 = 48,974.38 : x
  2. Step 2: Convert to fraction form
    127,855.42/191,784.76 = 48,974.38/x
  3. Step 3: Cross multiply
    127,855.42x = 191,784.76 × 48,974.38
  4. Step 4: Simplify right side
    127,855.42x = 9,392,539,714.45
  5. Step 5: Solve for x
    x = 9,392,539,714.45/127,855.42
  6. Step 6: Final answer
    x = 73,462.19

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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.