Home / 52,542.20-72,509.28-28,669.52

Finding the Fourth Proportional to 52,542.20, 72,509.28 and 28,669.52

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Solution

The fourth proportional to 52,542.20, 72,509.28 and 28,669.52 is: 39,564.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,542.20 : 72,509.28 = 28,669.52 : x
  2. Step 2: Convert to fraction form
    52,542.20/72,509.28 = 28,669.52/x
  3. Step 3: Cross multiply
    52,542.20x = 72,509.28 × 28,669.52
  4. Step 4: Simplify right side
    52,542.20x = 2,078,806,253.15
  5. Step 5: Solve for x
    x = 2,078,806,253.15/52,542.20
  6. Step 6: Final answer
    x = 39,564.51

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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.