Home / 79,263.09-109,385.64-43,457.04

Finding the Fourth Proportional to 79,263.09, 109,385.64 and 43,457.04

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Solution

The fourth proportional to 79,263.09, 109,385.64 and 43,457.04 is: 59,972.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,263.09 : 109,385.64 = 43,457.04 : x
  2. Step 2: Convert to fraction form
    79,263.09/109,385.64 = 43,457.04/x
  3. Step 3: Cross multiply
    79,263.09x = 109,385.64 × 43,457.04
  4. Step 4: Simplify right side
    79,263.09x = 4,753,576,132.91
  5. Step 5: Solve for x
    x = 4,753,576,132.91/79,263.09
  6. Step 6: Final answer
    x = 59,972.13

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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.