Home / 51,698.41-77,548.02-28,312.09

Finding the Fourth Proportional to 51,698.41, 77,548.02 and 28,312.09

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Solution

The fourth proportional to 51,698.41, 77,548.02 and 28,312.09 is: 42,468.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,698.41 : 77,548.02 = 28,312.09 : x
  2. Step 2: Convert to fraction form
    51,698.41/77,548.02 = 28,312.09/x
  3. Step 3: Cross multiply
    51,698.41x = 77,548.02 × 28,312.09
  4. Step 4: Simplify right side
    51,698.41x = 2,195,546,521.56
  5. Step 5: Solve for x
    x = 2,195,546,521.56/51,698.41
  6. Step 6: Final answer
    x = 42,468.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.