Home / 74,825.12-103,259.27-40,833.88

Finding the Fourth Proportional to 74,825.12, 103,259.27 and 40,833.88

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Solution

The fourth proportional to 74,825.12, 103,259.27 and 40,833.88 is: 56,351.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,825.12 : 103,259.27 = 40,833.88 : x
  2. Step 2: Convert to fraction form
    74,825.12/103,259.27 = 40,833.88/x
  3. Step 3: Cross multiply
    74,825.12x = 103,259.27 × 40,833.88
  4. Step 4: Simplify right side
    74,825.12x = 4,216,476,484.00
  5. Step 5: Solve for x
    x = 4,216,476,484.00/74,825.12
  6. Step 6: Final answer
    x = 56,351.08

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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.