Home / 55,738.13-83,620.17-18,802.13

Finding the Fourth Proportional to 55,738.13, 83,620.17 and 18,802.13

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Solution

The fourth proportional to 55,738.13, 83,620.17 and 18,802.13 is: 28,207.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,738.13 : 83,620.17 = 18,802.13 : x
  2. Step 2: Convert to fraction form
    55,738.13/83,620.17 = 18,802.13/x
  3. Step 3: Cross multiply
    55,738.13x = 83,620.17 × 18,802.13
  4. Step 4: Simplify right side
    55,738.13x = 1,572,236,888.86
  5. Step 5: Solve for x
    x = 1,572,236,888.86/55,738.13
  6. Step 6: Final answer
    x = 28,207.57

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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.