Home / 127,855.38-191,804.58-39,088.11

Finding the Fourth Proportional to 127,855.38, 191,804.58 and 39,088.11

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Solution

The fourth proportional to 127,855.38, 191,804.58 and 39,088.11 is: 58,638.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,855.38 : 191,804.58 = 39,088.11 : x
  2. Step 2: Convert to fraction form
    127,855.38/191,804.58 = 39,088.11/x
  3. Step 3: Cross multiply
    127,855.38x = 191,804.58 × 39,088.11
  4. Step 4: Simplify right side
    127,855.38x = 7,497,278,521.54
  5. Step 5: Solve for x
    x = 7,497,278,521.54/127,855.38
  6. Step 6: Final answer
    x = 58,638.74

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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.