Home / 89,872.03-134,808.09-30,708.28

Finding the Fourth Proportional to 89,872.03, 134,808.09 and 30,708.28

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Solution

The fourth proportional to 89,872.03, 134,808.09 and 30,708.28 is: 46,062.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,872.03 : 134,808.09 = 30,708.28 : x
  2. Step 2: Convert to fraction form
    89,872.03/134,808.09 = 30,708.28/x
  3. Step 3: Cross multiply
    89,872.03x = 134,808.09 × 30,708.28
  4. Step 4: Simplify right side
    89,872.03x = 4,139,724,573.99
  5. Step 5: Solve for x
    x = 4,139,724,573.99/89,872.03
  6. Step 6: Final answer
    x = 46,062.44

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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.