Home / 54,320.82-81,478.06-14,875.04

Finding the Fourth Proportional to 54,320.82, 81,478.06 and 14,875.04

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Solution

The fourth proportional to 54,320.82, 81,478.06 and 14,875.04 is: 22,311.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,320.82 : 81,478.06 = 14,875.04 : x
  2. Step 2: Convert to fraction form
    54,320.82/81,478.06 = 14,875.04/x
  3. Step 3: Cross multiply
    54,320.82x = 81,478.06 × 14,875.04
  4. Step 4: Simplify right side
    54,320.82x = 1,211,988,957.04
  5. Step 5: Solve for x
    x = 1,211,988,957.04/54,320.82
  6. Step 6: Final answer
    x = 22,311.68

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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.