Home / 48,848.40-73,078.20-42,346.80

Finding the Fourth Proportional to 48,848.40, 73,078.20 and 42,346.80

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Solution

The fourth proportional to 48,848.40, 73,078.20 and 42,346.80 is: 63,351.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,848.40 : 73,078.20 = 42,346.80 : x
  2. Step 2: Convert to fraction form
    48,848.40/73,078.20 = 42,346.80/x
  3. Step 3: Cross multiply
    48,848.40x = 73,078.20 × 42,346.80
  4. Step 4: Simplify right side
    48,848.40x = 3,094,627,919.76
  5. Step 5: Solve for x
    x = 3,094,627,919.76/48,848.40
  6. Step 6: Final answer
    x = 63,351.67

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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.