Home / 55,852.37-83,752.22-20,288.61

Finding the Fourth Proportional to 55,852.37, 83,752.22 and 20,288.61

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Solution

The fourth proportional to 55,852.37, 83,752.22 and 20,288.61 is: 30,423.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,852.37 : 83,752.22 = 20,288.61 : x
  2. Step 2: Convert to fraction form
    55,852.37/83,752.22 = 20,288.61/x
  3. Step 3: Cross multiply
    55,852.37x = 83,752.22 × 20,288.61
  4. Step 4: Simplify right side
    55,852.37x = 1,699,216,026.77
  5. Step 5: Solve for x
    x = 1,699,216,026.77/55,852.37
  6. Step 6: Final answer
    x = 30,423.35

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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.