Home / 55,875.13-83,286.32-51,391.09

Finding the Fourth Proportional to 55,875.13, 83,286.32 and 51,391.09

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Solution

The fourth proportional to 55,875.13, 83,286.32 and 51,391.09 is: 76,602.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,875.13 : 83,286.32 = 51,391.09 : x
  2. Step 2: Convert to fraction form
    55,875.13/83,286.32 = 51,391.09/x
  3. Step 3: Cross multiply
    55,875.13x = 83,286.32 × 51,391.09
  4. Step 4: Simplify right side
    55,875.13x = 4,280,174,766.89
  5. Step 5: Solve for x
    x = 4,280,174,766.89/55,875.13
  6. Step 6: Final answer
    x = 76,602.50

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.