Home / 52,428.52-72,352.64-28,556.48

Finding the Fourth Proportional to 52,428.52, 72,352.64 and 28,556.48

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Solution

The fourth proportional to 52,428.52, 72,352.64 and 28,556.48 is: 39,408.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,428.52 : 72,352.64 = 28,556.48 : x
  2. Step 2: Convert to fraction form
    52,428.52/72,352.64 = 28,556.48/x
  3. Step 3: Cross multiply
    52,428.52x = 72,352.64 × 28,556.48
  4. Step 4: Simplify right side
    52,428.52x = 2,066,136,717.11
  5. Step 5: Solve for x
    x = 2,066,136,717.11/52,428.52
  6. Step 6: Final answer
    x = 39,408.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.