Home / 74,826.85-103,259.55-40,836.01

Finding the Fourth Proportional to 74,826.85, 103,259.55 and 40,836.01

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Solution

The fourth proportional to 74,826.85, 103,259.55 and 40,836.01 is: 56,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,826.85 : 103,259.55 = 40,836.01 : x
  2. Step 2: Convert to fraction form
    74,826.85/103,259.55 = 40,836.01/x
  3. Step 3: Cross multiply
    74,826.85x = 103,259.55 × 40,836.01
  4. Step 4: Simplify right side
    74,826.85x = 4,216,708,016.40
  5. Step 5: Solve for x
    x = 4,216,708,016.40/74,826.85
  6. Step 6: Final answer
    x = 56,352.87

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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.