Home / 89,644.65-134,453.94-26,461.68

Finding the Fourth Proportional to 89,644.65, 134,453.94 and 26,461.68

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Solution

The fourth proportional to 89,644.65, 134,453.94 and 26,461.68 is: 39,688.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,644.65 : 134,453.94 = 26,461.68 : x
  2. Step 2: Convert to fraction form
    89,644.65/134,453.94 = 26,461.68/x
  3. Step 3: Cross multiply
    89,644.65x = 134,453.94 × 26,461.68
  4. Step 4: Simplify right side
    89,644.65x = 3,557,877,135.02
  5. Step 5: Solve for x
    x = 3,557,877,135.02/89,644.65
  6. Step 6: Final answer
    x = 39,688.67

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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.