Home / 74,826.12-103,260.66-40,834.88

Finding the Fourth Proportional to 74,826.12, 103,260.66 and 40,834.88

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Solution

The fourth proportional to 74,826.12, 103,260.66 and 40,834.88 is: 56,352.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,826.12 : 103,260.66 = 40,834.88 : x
  2. Step 2: Convert to fraction form
    74,826.12/103,260.66 = 40,834.88/x
  3. Step 3: Cross multiply
    74,826.12x = 103,260.66 × 40,834.88
  4. Step 4: Simplify right side
    74,826.12x = 4,216,636,659.82
  5. Step 5: Solve for x
    x = 4,216,636,659.82/74,826.12
  6. Step 6: Final answer
    x = 56,352.47

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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.