Home / 79,539.96-109,767.08-43,730.66

Finding the Fourth Proportional to 79,539.96, 109,767.08 and 43,730.66

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Solution

The fourth proportional to 79,539.96, 109,767.08 and 43,730.66 is: 60,349.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,539.96 : 109,767.08 = 43,730.66 : x
  2. Step 2: Convert to fraction form
    79,539.96/109,767.08 = 43,730.66/x
  3. Step 3: Cross multiply
    79,539.96x = 109,767.08 × 43,730.66
  4. Step 4: Simplify right side
    79,539.96x = 4,800,186,854.67
  5. Step 5: Solve for x
    x = 4,800,186,854.67/79,539.96
  6. Step 6: Final answer
    x = 60,349.37

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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.