Home / 55,911.06-83,856.33-18,471.51

Finding the Fourth Proportional to 55,911.06, 83,856.33 and 18,471.51

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Solution

The fourth proportional to 55,911.06, 83,856.33 and 18,471.51 is: 27,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,911.06 : 83,856.33 = 18,471.51 : x
  2. Step 2: Convert to fraction form
    55,911.06/83,856.33 = 18,471.51/x
  3. Step 3: Cross multiply
    55,911.06x = 83,856.33 × 18,471.51
  4. Step 4: Simplify right side
    55,911.06x = 1,548,953,038.16
  5. Step 5: Solve for x
    x = 1,548,953,038.16/55,911.06
  6. Step 6: Final answer
    x = 27,703.88

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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.