Home / 106,827.29-147,415.70-58,419.67

Finding the Fourth Proportional to 106,827.29, 147,415.70 and 58,419.67

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Solution

The fourth proportional to 106,827.29, 147,415.70 and 58,419.67 is: 80,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,827.29 : 147,415.70 = 58,419.67 : x
  2. Step 2: Convert to fraction form
    106,827.29/147,415.70 = 58,419.67/x
  3. Step 3: Cross multiply
    106,827.29x = 147,415.70 × 58,419.67
  4. Step 4: Simplify right side
    106,827.29x = 8,611,976,324.33
  5. Step 5: Solve for x
    x = 8,611,976,324.33/106,827.29
  6. Step 6: Final answer
    x = 80,615.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.