Home / 92,829.52-128,105.30-50,388.35

Finding the Fourth Proportional to 92,829.52, 128,105.30 and 50,388.35

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Solution

The fourth proportional to 92,829.52, 128,105.30 and 50,388.35 is: 69,536.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,829.52 : 128,105.30 = 50,388.35 : x
  2. Step 2: Convert to fraction form
    92,829.52/128,105.30 = 50,388.35/x
  3. Step 3: Cross multiply
    92,829.52x = 128,105.30 × 50,388.35
  4. Step 4: Simplify right side
    92,829.52x = 6,455,014,441.31
  5. Step 5: Solve for x
    x = 6,455,014,441.31/92,829.52
  6. Step 6: Final answer
    x = 69,536.23

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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.