Home / 105,410.74-158,137.29-38,851.24

Finding the Fourth Proportional to 105,410.74, 158,137.29 and 38,851.24

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Solution

The fourth proportional to 105,410.74, 158,137.29 and 38,851.24 is: 58,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,410.74 : 158,137.29 = 38,851.24 : x
  2. Step 2: Convert to fraction form
    105,410.74/158,137.29 = 38,851.24/x
  3. Step 3: Cross multiply
    105,410.74x = 158,137.29 × 38,851.24
  4. Step 4: Simplify right side
    105,410.74x = 6,143,829,806.74
  5. Step 5: Solve for x
    x = 6,143,829,806.74/105,410.74
  6. Step 6: Final answer
    x = 58,284.67

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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.