Home / 55,475.31-83,210.81-30,564.75

Finding the Fourth Proportional to 55,475.31, 83,210.81 and 30,564.75

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Solution

The fourth proportional to 55,475.31, 83,210.81 and 30,564.75 is: 45,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,475.31 : 83,210.81 = 30,564.75 : x
  2. Step 2: Convert to fraction form
    55,475.31/83,210.81 = 30,564.75/x
  3. Step 3: Cross multiply
    55,475.31x = 83,210.81 × 30,564.75
  4. Step 4: Simplify right side
    55,475.31x = 2,543,317,452.12
  5. Step 5: Solve for x
    x = 2,543,317,452.12/55,475.31
  6. Step 6: Final answer
    x = 45,845.93

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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.