Home / 52,909.71-73,015.14-28,710.66

Finding the Fourth Proportional to 52,909.71, 73,015.14 and 28,710.66

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Solution

The fourth proportional to 52,909.71, 73,015.14 and 28,710.66 is: 39,620.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,909.71 : 73,015.14 = 28,710.66 : x
  2. Step 2: Convert to fraction form
    52,909.71/73,015.14 = 28,710.66/x
  3. Step 3: Cross multiply
    52,909.71x = 73,015.14 × 28,710.66
  4. Step 4: Simplify right side
    52,909.71x = 2,096,312,859.39
  5. Step 5: Solve for x
    x = 2,096,312,859.39/52,909.71
  6. Step 6: Final answer
    x = 39,620.57

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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.