Home / 52,708.28-72,695.58-39,830.54

Finding the Fourth Proportional to 52,708.28, 72,695.58 and 39,830.54

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Solution

The fourth proportional to 52,708.28, 72,695.58 and 39,830.54 is: 54,934.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,708.28 : 72,695.58 = 39,830.54 : x
  2. Step 2: Convert to fraction form
    52,708.28/72,695.58 = 39,830.54/x
  3. Step 3: Cross multiply
    52,708.28x = 72,695.58 × 39,830.54
  4. Step 4: Simplify right side
    52,708.28x = 2,895,504,207.01
  5. Step 5: Solve for x
    x = 2,895,504,207.01/52,708.28
  6. Step 6: Final answer
    x = 54,934.52

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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.