Home / 89,721.29-134,581.91-26,536.49

Finding the Fourth Proportional to 89,721.29, 134,581.91 and 26,536.49

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Solution

The fourth proportional to 89,721.29, 134,581.91 and 26,536.49 is: 39,804.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,721.29 : 134,581.91 = 26,536.49 : x
  2. Step 2: Convert to fraction form
    89,721.29/134,581.91 = 26,536.49/x
  3. Step 3: Cross multiply
    89,721.29x = 134,581.91 × 26,536.49
  4. Step 4: Simplify right side
    89,721.29x = 3,571,330,835.99
  5. Step 5: Solve for x
    x = 3,571,330,835.99/89,721.29
  6. Step 6: Final answer
    x = 39,804.72

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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.