Home / 55,809.18-83,726.10-18,367.74

Finding the Fourth Proportional to 55,809.18, 83,726.10 and 18,367.74

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Solution

The fourth proportional to 55,809.18, 83,726.10 and 18,367.74 is: 27,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,809.18 : 83,726.10 = 18,367.74 : x
  2. Step 2: Convert to fraction form
    55,809.18/83,726.10 = 18,367.74/x
  3. Step 3: Cross multiply
    55,809.18x = 83,726.10 × 18,367.74
  4. Step 4: Simplify right side
    55,809.18x = 1,537,859,236.01
  5. Step 5: Solve for x
    x = 1,537,859,236.01/55,809.18
  6. Step 6: Final answer
    x = 27,555.67

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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.