Home / 55,763.56-83,655.75-18,334.45

Finding the Fourth Proportional to 55,763.56, 83,655.75 and 18,334.45

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Solution

The fourth proportional to 55,763.56, 83,655.75 and 18,334.45 is: 27,505.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,763.56 : 83,655.75 = 18,334.45 : x
  2. Step 2: Convert to fraction form
    55,763.56/83,655.75 = 18,334.45/x
  3. Step 3: Cross multiply
    55,763.56x = 83,655.75 × 18,334.45
  4. Step 4: Simplify right side
    55,763.56x = 1,533,782,165.59
  5. Step 5: Solve for x
    x = 1,533,782,165.59/55,763.56
  6. Step 6: Final answer
    x = 27,505.10

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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.