Home / 106,531.32-147,014.06-58,786.38

Finding the Fourth Proportional to 106,531.32, 147,014.06 and 58,786.38

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Solution

The fourth proportional to 106,531.32, 147,014.06 and 58,786.38 is: 81,125.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,531.32 : 147,014.06 = 58,786.38 : x
  2. Step 2: Convert to fraction form
    106,531.32/147,014.06 = 58,786.38/x
  3. Step 3: Cross multiply
    106,531.32x = 147,014.06 × 58,786.38
  4. Step 4: Simplify right side
    106,531.32x = 8,642,424,396.50
  5. Step 5: Solve for x
    x = 8,642,424,396.50/106,531.32
  6. Step 6: Final answer
    x = 81,125.67

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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.