Home / 55,113.66-75,986.46-35,698.32

Finding the Fourth Proportional to 55,113.66, 75,986.46 and 35,698.32

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Solution

The fourth proportional to 55,113.66, 75,986.46 and 35,698.32 is: 49,218.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,113.66 : 75,986.46 = 35,698.32 : x
  2. Step 2: Convert to fraction form
    55,113.66/75,986.46 = 35,698.32/x
  3. Step 3: Cross multiply
    55,113.66x = 75,986.46 × 35,698.32
  4. Step 4: Simplify right side
    55,113.66x = 2,712,588,964.75
  5. Step 5: Solve for x
    x = 2,712,588,964.75/55,113.66
  6. Step 6: Final answer
    x = 49,218.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.