Home / 48,494.39-72,741.58-13,434.05

Finding the Fourth Proportional to 48,494.39, 72,741.58 and 13,434.05

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Solution

The fourth proportional to 48,494.39, 72,741.58 and 13,434.05 is: 20,151.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,494.39 : 72,741.58 = 13,434.05 : x
  2. Step 2: Convert to fraction form
    48,494.39/72,741.58 = 13,434.05/x
  3. Step 3: Cross multiply
    48,494.39x = 72,741.58 × 13,434.05
  4. Step 4: Simplify right side
    48,494.39x = 977,214,022.80
  5. Step 5: Solve for x
    x = 977,214,022.80/48,494.39
  6. Step 6: Final answer
    x = 20,151.07

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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.