Home / 89,789.76-134,684.64-27,459.72

Finding the Fourth Proportional to 89,789.76, 134,684.64 and 27,459.72

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Solution

The fourth proportional to 89,789.76, 134,684.64 and 27,459.72 is: 41,189.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,789.76 : 134,684.64 = 27,459.72 : x
  2. Step 2: Convert to fraction form
    89,789.76/134,684.64 = 27,459.72/x
  3. Step 3: Cross multiply
    89,789.76x = 134,684.64 × 27,459.72
  4. Step 4: Simplify right side
    89,789.76x = 3,698,402,502.70
  5. Step 5: Solve for x
    x = 3,698,402,502.70/89,789.76
  6. Step 6: Final answer
    x = 41,189.58

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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.