Home / 52,711.41-72,741.99-28,838.50

Finding the Fourth Proportional to 52,711.41, 72,741.99 and 28,838.50

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Solution

The fourth proportional to 52,711.41, 72,741.99 and 28,838.50 is: 39,797.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,711.41 : 72,741.99 = 28,838.50 : x
  2. Step 2: Convert to fraction form
    52,711.41/72,741.99 = 28,838.50/x
  3. Step 3: Cross multiply
    52,711.41x = 72,741.99 × 28,838.50
  4. Step 4: Simplify right side
    52,711.41x = 2,097,769,878.62
  5. Step 5: Solve for x
    x = 2,097,769,878.62/52,711.41
  6. Step 6: Final answer
    x = 39,797.26

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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.