Home / 55,908.48-83,901.60-36,138

Finding the Fourth Proportional to 55,908.48, 83,901.60 and 36,138

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Solution

The fourth proportional to 55,908.48, 83,901.60 and 36,138 is: 54,232.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,908.48 : 83,901.60 = 36,138 : x
  2. Step 2: Convert to fraction form
    55,908.48/83,901.60 = 36,138/x
  3. Step 3: Cross multiply
    55,908.48x = 83,901.60 × 36,138
  4. Step 4: Simplify right side
    55,908.48x = 3,032,036,020.80
  5. Step 5: Solve for x
    x = 3,032,036,020.80/55,908.48
  6. Step 6: Final answer
    x = 54,232.13

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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.