Home / 48,464.75-72,715.66-18,903.20

Finding the Fourth Proportional to 48,464.75, 72,715.66 and 18,903.20

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Solution

The fourth proportional to 48,464.75, 72,715.66 and 18,903.20 is: 28,362.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,464.75 : 72,715.66 = 18,903.20 : x
  2. Step 2: Convert to fraction form
    48,464.75/72,715.66 = 18,903.20/x
  3. Step 3: Cross multiply
    48,464.75x = 72,715.66 × 18,903.20
  4. Step 4: Simplify right side
    48,464.75x = 1,374,558,253.28
  5. Step 5: Solve for x
    x = 1,374,558,253.28/48,464.75
  6. Step 6: Final answer
    x = 28,362.02

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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.