Home / 51,136.28-70,565.10-28,473.56

Finding the Fourth Proportional to 51,136.28, 70,565.10 and 28,473.56

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Solution

The fourth proportional to 51,136.28, 70,565.10 and 28,473.56 is: 39,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,136.28 : 70,565.10 = 28,473.56 : x
  2. Step 2: Convert to fraction form
    51,136.28/70,565.10 = 28,473.56/x
  3. Step 3: Cross multiply
    51,136.28x = 70,565.10 × 28,473.56
  4. Step 4: Simplify right side
    51,136.28x = 2,009,239,608.76
  5. Step 5: Solve for x
    x = 2,009,239,608.76/51,136.28
  6. Step 6: Final answer
    x = 39,291.86

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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.