Home / 52,501.20-72,452.70-28,628.52

Finding the Fourth Proportional to 52,501.20, 72,452.70 and 28,628.52

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Solution

The fourth proportional to 52,501.20, 72,452.70 and 28,628.52 is: 39,507.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,501.20 : 72,452.70 = 28,628.52 : x
  2. Step 2: Convert to fraction form
    52,501.20/72,452.70 = 28,628.52/x
  3. Step 3: Cross multiply
    52,501.20x = 72,452.70 × 28,628.52
  4. Step 4: Simplify right side
    52,501.20x = 2,074,213,571.00
  5. Step 5: Solve for x
    x = 2,074,213,571.00/52,501.20
  6. Step 6: Final answer
    x = 39,507.93

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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.