Home / 85,199.76-127,812.06-26,027.82

Finding the Fourth Proportional to 85,199.76, 127,812.06 and 26,027.82

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Solution

The fourth proportional to 85,199.76, 127,812.06 and 26,027.82 is: 39,045.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,199.76 : 127,812.06 = 26,027.82 : x
  2. Step 2: Convert to fraction form
    85,199.76/127,812.06 = 26,027.82/x
  3. Step 3: Cross multiply
    85,199.76x = 127,812.06 × 26,027.82
  4. Step 4: Simplify right side
    85,199.76x = 3,326,669,291.51
  5. Step 5: Solve for x
    x = 3,326,669,291.51/85,199.76
  6. Step 6: Final answer
    x = 39,045.52

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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.