Home / 52,847.26-72,931.42-28,974.84

Finding the Fourth Proportional to 52,847.26, 72,931.42 and 28,974.84

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Solution

The fourth proportional to 52,847.26, 72,931.42 and 28,974.84 is: 39,986.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,847.26 : 72,931.42 = 28,974.84 : x
  2. Step 2: Convert to fraction form
    52,847.26/72,931.42 = 28,974.84/x
  3. Step 3: Cross multiply
    52,847.26x = 72,931.42 × 28,974.84
  4. Step 4: Simplify right side
    52,847.26x = 2,113,176,225.47
  5. Step 5: Solve for x
    x = 2,113,176,225.47/52,847.26
  6. Step 6: Final answer
    x = 39,986.49

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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.