Home / 55,655.10-83,511.81-22,378.68

Finding the Fourth Proportional to 55,655.10, 83,511.81 and 22,378.68

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Solution

The fourth proportional to 55,655.10, 83,511.81 and 22,378.68 is: 33,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,655.10 : 83,511.81 = 22,378.68 : x
  2. Step 2: Convert to fraction form
    55,655.10/83,511.81 = 22,378.68/x
  3. Step 3: Cross multiply
    55,655.10x = 83,511.81 × 22,378.68
  4. Step 4: Simplify right side
    55,655.10x = 1,868,884,072.21
  5. Step 5: Solve for x
    x = 1,868,884,072.21/55,655.10
  6. Step 6: Final answer
    x = 33,579.75

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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.