Home / 124,048.28-186,078.18-39,811.88

Finding the Fourth Proportional to 124,048.28, 186,078.18 and 39,811.88

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Solution

The fourth proportional to 124,048.28, 186,078.18 and 39,811.88 is: 59,719.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,048.28 : 186,078.18 = 39,811.88 : x
  2. Step 2: Convert to fraction form
    124,048.28/186,078.18 = 39,811.88/x
  3. Step 3: Cross multiply
    124,048.28x = 186,078.18 × 39,811.88
  4. Step 4: Simplify right side
    124,048.28x = 7,408,122,172.78
  5. Step 5: Solve for x
    x = 7,408,122,172.78/124,048.28
  6. Step 6: Final answer
    x = 59,719.67

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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.