Home / 48,742.20-73,113.30-45,534.60

Finding the Fourth Proportional to 48,742.20, 73,113.30 and 45,534.60

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Solution

The fourth proportional to 48,742.20, 73,113.30 and 45,534.60 is: 68,301.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,742.20 : 73,113.30 = 45,534.60 : x
  2. Step 2: Convert to fraction form
    48,742.20/73,113.30 = 45,534.60/x
  3. Step 3: Cross multiply
    48,742.20x = 73,113.30 × 45,534.60
  4. Step 4: Simplify right side
    48,742.20x = 3,329,184,870.18
  5. Step 5: Solve for x
    x = 3,329,184,870.18/48,742.20
  6. Step 6: Final answer
    x = 68,301.90

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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.