Home / 89,031.21-133,564.64-32,871.66

Finding the Fourth Proportional to 89,031.21, 133,564.64 and 32,871.66

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Solution

The fourth proportional to 89,031.21, 133,564.64 and 32,871.66 is: 49,314.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,031.21 : 133,564.64 = 32,871.66 : x
  2. Step 2: Convert to fraction form
    89,031.21/133,564.64 = 32,871.66/x
  3. Step 3: Cross multiply
    89,031.21x = 133,564.64 × 32,871.66
  4. Step 4: Simplify right side
    89,031.21x = 4,390,491,434.10
  5. Step 5: Solve for x
    x = 4,390,491,434.10/89,031.21
  6. Step 6: Final answer
    x = 49,314.07

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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.