Home / 52,887.12-79,274.64-19,585.68

Finding the Fourth Proportional to 52,887.12, 79,274.64 and 19,585.68

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Solution

The fourth proportional to 52,887.12, 79,274.64 and 19,585.68 is: 29,357.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,887.12 : 79,274.64 = 19,585.68 : x
  2. Step 2: Convert to fraction form
    52,887.12/79,274.64 = 19,585.68/x
  3. Step 3: Cross multiply
    52,887.12x = 79,274.64 × 19,585.68
  4. Step 4: Simplify right side
    52,887.12x = 1,552,647,731.16
  5. Step 5: Solve for x
    x = 1,552,647,731.16/52,887.12
  6. Step 6: Final answer
    x = 29,357.77

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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.