Home / 43,203.52-64,822.20-16,903.76

Finding the Fourth Proportional to 43,203.52, 64,822.20 and 16,903.76

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Solution

The fourth proportional to 43,203.52, 64,822.20 and 16,903.76 is: 25,362.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,203.52 : 64,822.20 = 16,903.76 : x
  2. Step 2: Convert to fraction form
    43,203.52/64,822.20 = 16,903.76/x
  3. Step 3: Cross multiply
    43,203.52x = 64,822.20 × 16,903.76
  4. Step 4: Simplify right side
    43,203.52x = 1,095,738,911.47
  5. Step 5: Solve for x
    x = 1,095,738,911.47/43,203.52
  6. Step 6: Final answer
    x = 25,362.26

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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.