Home / 55,792.08-83,697.12-18,341.28

Finding the Fourth Proportional to 55,792.08, 83,697.12 and 18,341.28

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Solution

The fourth proportional to 55,792.08, 83,697.12 and 18,341.28 is: 27,514.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,792.08 : 83,697.12 = 18,341.28 : x
  2. Step 2: Convert to fraction form
    55,792.08/83,697.12 = 18,341.28/x
  3. Step 3: Cross multiply
    55,792.08x = 83,697.12 × 18,341.28
  4. Step 4: Simplify right side
    55,792.08x = 1,535,112,313.11
  5. Step 5: Solve for x
    x = 1,535,112,313.11/55,792.08
  6. Step 6: Final answer
    x = 27,514.88

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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.