Home / 55,305.33-83,041.07-31,639.60

Finding the Fourth Proportional to 55,305.33, 83,041.07 and 31,639.60

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Solution

The fourth proportional to 55,305.33, 83,041.07 and 31,639.60 is: 47,506.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,305.33 : 83,041.07 = 31,639.60 : x
  2. Step 2: Convert to fraction form
    55,305.33/83,041.07 = 31,639.60/x
  3. Step 3: Cross multiply
    55,305.33x = 83,041.07 × 31,639.60
  4. Step 4: Simplify right side
    55,305.33x = 2,627,386,238.37
  5. Step 5: Solve for x
    x = 2,627,386,238.37/55,305.33
  6. Step 6: Final answer
    x = 47,506.93

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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.