Home / 54,885.36-82,328.04-13,332.08

Finding the Fourth Proportional to 54,885.36, 82,328.04 and 13,332.08

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Solution

The fourth proportional to 54,885.36, 82,328.04 and 13,332.08 is: 19,998.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,885.36 : 82,328.04 = 13,332.08 : x
  2. Step 2: Convert to fraction form
    54,885.36/82,328.04 = 13,332.08/x
  3. Step 3: Cross multiply
    54,885.36x = 82,328.04 × 13,332.08
  4. Step 4: Simplify right side
    54,885.36x = 1,097,604,015.52
  5. Step 5: Solve for x
    x = 1,097,604,015.52/54,885.36
  6. Step 6: Final answer
    x = 19,998.12

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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.