Home / 61,289.12-84,585.83-37,103.40

Finding the Fourth Proportional to 61,289.12, 84,585.83 and 37,103.40

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Solution

The fourth proportional to 61,289.12, 84,585.83 and 37,103.40 is: 51,206.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,289.12 : 84,585.83 = 37,103.40 : x
  2. Step 2: Convert to fraction form
    61,289.12/84,585.83 = 37,103.40/x
  3. Step 3: Cross multiply
    61,289.12x = 84,585.83 × 37,103.40
  4. Step 4: Simplify right side
    61,289.12x = 3,138,422,185.54
  5. Step 5: Solve for x
    x = 3,138,422,185.54/61,289.12
  6. Step 6: Final answer
    x = 51,206.84

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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.