Home / 48,493.39-72,740.08-13,433.05

Finding the Fourth Proportional to 48,493.39, 72,740.08 and 13,433.05

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Solution

The fourth proportional to 48,493.39, 72,740.08 and 13,433.05 is: 20,149.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,493.39 : 72,740.08 = 13,433.05 : x
  2. Step 2: Convert to fraction form
    48,493.39/72,740.08 = 13,433.05/x
  3. Step 3: Cross multiply
    48,493.39x = 72,740.08 × 13,433.05
  4. Step 4: Simplify right side
    48,493.39x = 977,121,131.64
  5. Step 5: Solve for x
    x = 977,121,131.64/48,493.39
  6. Step 6: Final answer
    x = 20,149.57

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1.5x scale

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.