Home / 104,919.24-157,264.40-51,647.88

Finding the Fourth Proportional to 104,919.24, 157,264.40 and 51,647.88

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Solution

The fourth proportional to 104,919.24, 157,264.40 and 51,647.88 is: 77,415.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,919.24 : 157,264.40 = 51,647.88 : x
  2. Step 2: Convert to fraction form
    104,919.24/157,264.40 = 51,647.88/x
  3. Step 3: Cross multiply
    104,919.24x = 157,264.40 × 51,647.88
  4. Step 4: Simplify right side
    104,919.24x = 8,122,372,859.47
  5. Step 5: Solve for x
    x = 8,122,372,859.47/104,919.24
  6. Step 6: Final answer
    x = 77,415.48

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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.