Home / 68,730.20-94,854.34-38,520.64

Finding the Fourth Proportional to 68,730.20, 94,854.34 and 38,520.64

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Solution

The fourth proportional to 68,730.20, 94,854.34 and 38,520.64 is: 53,162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,730.20 : 94,854.34 = 38,520.64 : x
  2. Step 2: Convert to fraction form
    68,730.20/94,854.34 = 38,520.64/x
  3. Step 3: Cross multiply
    68,730.20x = 94,854.34 × 38,520.64
  4. Step 4: Simplify right side
    68,730.20x = 3,653,849,883.58
  5. Step 5: Solve for x
    x = 3,653,849,883.58/68,730.20
  6. Step 6: Final answer
    x = 53,162.22

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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.