Home / 48,742.64-73,103.12-13,685.84

Finding the Fourth Proportional to 48,742.64, 73,103.12 and 13,685.84

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Solution

The fourth proportional to 48,742.64, 73,103.12 and 13,685.84 is: 20,525.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,742.64 : 73,103.12 = 13,685.84 : x
  2. Step 2: Convert to fraction form
    48,742.64/73,103.12 = 13,685.84/x
  3. Step 3: Cross multiply
    48,742.64x = 73,103.12 × 13,685.84
  4. Step 4: Simplify right side
    48,742.64x = 1,000,477,603.82
  5. Step 5: Solve for x
    x = 1,000,477,603.82/48,742.64
  6. Step 6: Final answer
    x = 20,525.72

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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.