Home / 48,068.28-72,073.55-19,954.40

Finding the Fourth Proportional to 48,068.28, 72,073.55 and 19,954.40

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Solution

The fourth proportional to 48,068.28, 72,073.55 and 19,954.40 is: 29,919.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,068.28 : 72,073.55 = 19,954.40 : x
  2. Step 2: Convert to fraction form
    48,068.28/72,073.55 = 19,954.40/x
  3. Step 3: Cross multiply
    48,068.28x = 72,073.55 × 19,954.40
  4. Step 4: Simplify right side
    48,068.28x = 1,438,184,135.64
  5. Step 5: Solve for x
    x = 1,438,184,135.64/48,068.28
  6. Step 6: Final answer
    x = 29,919.61

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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.