Home / 55,263.15-82,903.91-21,983.54

Finding the Fourth Proportional to 55,263.15, 82,903.91 and 21,983.54

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Solution

The fourth proportional to 55,263.15, 82,903.91 and 21,983.54 is: 32,978.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,263.15 : 82,903.91 = 21,983.54 : x
  2. Step 2: Convert to fraction form
    55,263.15/82,903.91 = 21,983.54/x
  3. Step 3: Cross multiply
    55,263.15x = 82,903.91 × 21,983.54
  4. Step 4: Simplify right side
    55,263.15x = 1,822,521,421.64
  5. Step 5: Solve for x
    x = 1,822,521,421.64/55,263.15
  6. Step 6: Final answer
    x = 32,978.96

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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.