Home / 72,854.73-100,542.61-40,589.32

Finding the Fourth Proportional to 72,854.73, 100,542.61 and 40,589.32

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Solution

The fourth proportional to 72,854.73, 100,542.61 and 40,589.32 is: 56,014.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,854.73 : 100,542.61 = 40,589.32 : x
  2. Step 2: Convert to fraction form
    72,854.73/100,542.61 = 40,589.32/x
  3. Step 3: Cross multiply
    72,854.73x = 100,542.61 × 40,589.32
  4. Step 4: Simplify right side
    72,854.73x = 4,080,955,668.21
  5. Step 5: Solve for x
    x = 4,080,955,668.21/72,854.73
  6. Step 6: Final answer
    x = 56,014.98

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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.