Home / 89,849.76-134,774.64-27,512.16

Finding the Fourth Proportional to 89,849.76, 134,774.64 and 27,512.16

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Solution

The fourth proportional to 89,849.76, 134,774.64 and 27,512.16 is: 41,268.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,849.76 : 134,774.64 = 27,512.16 : x
  2. Step 2: Convert to fraction form
    89,849.76/134,774.64 = 27,512.16/x
  3. Step 3: Cross multiply
    89,849.76x = 134,774.64 × 27,512.16
  4. Step 4: Simplify right side
    89,849.76x = 3,707,941,459.62
  5. Step 5: Solve for x
    x = 3,707,941,459.62/89,849.76
  6. Step 6: Final answer
    x = 41,268.24

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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.