Home / 54,324.32-81,483.76-14,880.80

Finding the Fourth Proportional to 54,324.32, 81,483.76 and 14,880.80

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Solution

The fourth proportional to 54,324.32, 81,483.76 and 14,880.80 is: 22,320.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,324.32 : 81,483.76 = 14,880.80 : x
  2. Step 2: Convert to fraction form
    54,324.32/81,483.76 = 14,880.80/x
  3. Step 3: Cross multiply
    54,324.32x = 81,483.76 × 14,880.80
  4. Step 4: Simplify right side
    54,324.32x = 1,212,543,535.81
  5. Step 5: Solve for x
    x = 1,212,543,535.81/54,324.32
  6. Step 6: Final answer
    x = 22,320.45

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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.