Home / 55,223.40-82,835.10-38,310.60

Finding the Fourth Proportional to 55,223.40, 82,835.10 and 38,310.60

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Solution

The fourth proportional to 55,223.40, 82,835.10 and 38,310.60 is: 57,465.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,223.40 : 82,835.10 = 38,310.60 : x
  2. Step 2: Convert to fraction form
    55,223.40/82,835.10 = 38,310.60/x
  3. Step 3: Cross multiply
    55,223.40x = 82,835.10 × 38,310.60
  4. Step 4: Simplify right side
    55,223.40x = 3,173,462,382.06
  5. Step 5: Solve for x
    x = 3,173,462,382.06/55,223.40
  6. Step 6: Final answer
    x = 57,465.90

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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.