Home / 89,852.33-134,498.03-66,186.56

Finding the Fourth Proportional to 89,852.33, 134,498.03 and 66,186.56

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Solution

The fourth proportional to 89,852.33, 134,498.03 and 66,186.56 is: 99,073.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,852.33 : 134,498.03 = 66,186.56 : x
  2. Step 2: Convert to fraction form
    89,852.33/134,498.03 = 66,186.56/x
  3. Step 3: Cross multiply
    89,852.33x = 134,498.03 × 66,186.56
  4. Step 4: Simplify right side
    89,852.33x = 8,901,960,929.05
  5. Step 5: Solve for x
    x = 8,901,960,929.05/89,852.33
  6. Step 6: Final answer
    x = 99,073.24

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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.