Home / 51,433.20-70,984.35-28,773.45

Finding the Fourth Proportional to 51,433.20, 70,984.35 and 28,773.45

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Solution

The fourth proportional to 51,433.20, 70,984.35 and 28,773.45 is: 39,711.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,433.20 : 70,984.35 = 28,773.45 : x
  2. Step 2: Convert to fraction form
    51,433.20/70,984.35 = 28,773.45/x
  3. Step 3: Cross multiply
    51,433.20x = 70,984.35 × 28,773.45
  4. Step 4: Simplify right side
    51,433.20x = 2,042,464,645.51
  5. Step 5: Solve for x
    x = 2,042,464,645.51/51,433.20
  6. Step 6: Final answer
    x = 39,711.02

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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.