Home / 51,110.81-70,532.90-28,449.31

Finding the Fourth Proportional to 51,110.81, 70,532.90 and 28,449.31

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Solution

The fourth proportional to 51,110.81, 70,532.90 and 28,449.31 is: 39,260.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,110.81 : 70,532.90 = 28,449.31 : x
  2. Step 2: Convert to fraction form
    51,110.81/70,532.90 = 28,449.31/x
  3. Step 3: Cross multiply
    51,110.81x = 70,532.90 × 28,449.31
  4. Step 4: Simplify right side
    51,110.81x = 2,006,612,337.30
  5. Step 5: Solve for x
    x = 2,006,612,337.30/51,110.81
  6. Step 6: Final answer
    x = 39,260.04

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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.