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Finding the Fourth Proportional to 85,051.58, 127,572.67 and 25,882.63

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Solution

The fourth proportional to 85,051.58, 127,572.67 and 25,882.63 is: 38,822.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,051.58 : 127,572.67 = 25,882.63 : x
  2. Step 2: Convert to fraction form
    85,051.58/127,572.67 = 25,882.63/x
  3. Step 3: Cross multiply
    85,051.58x = 127,572.67 × 25,882.63
  4. Step 4: Simplify right side
    85,051.58x = 3,301,916,215.72
  5. Step 5: Solve for x
    x = 3,301,916,215.72/85,051.58
  6. Step 6: Final answer
    x = 38,822.51

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.