Home / 89,756.28-134,649.18-33,615.72

Finding the Fourth Proportional to 89,756.28, 134,649.18 and 33,615.72

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Solution

The fourth proportional to 89,756.28, 134,649.18 and 33,615.72 is: 50,429.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,756.28 : 134,649.18 = 33,615.72 : x
  2. Step 2: Convert to fraction form
    89,756.28/134,649.18 = 33,615.72/x
  3. Step 3: Cross multiply
    89,756.28x = 134,649.18 × 33,615.72
  4. Step 4: Simplify right side
    89,756.28x = 4,526,329,133.11
  5. Step 5: Solve for x
    x = 4,526,329,133.11/89,756.28
  6. Step 6: Final answer
    x = 50,429.11

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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.