Home / 79,267.86-109,389.62-43,457.10

Finding the Fourth Proportional to 79,267.86, 109,389.62 and 43,457.10

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Solution

The fourth proportional to 79,267.86, 109,389.62 and 43,457.10 is: 59,970.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,267.86 : 109,389.62 = 43,457.10 : x
  2. Step 2: Convert to fraction form
    79,267.86/109,389.62 = 43,457.10/x
  3. Step 3: Cross multiply
    79,267.86x = 109,389.62 × 43,457.10
  4. Step 4: Simplify right side
    79,267.86x = 4,753,755,655.30
  5. Step 5: Solve for x
    x = 4,753,755,655.30/79,267.86
  6. Step 6: Final answer
    x = 59,970.78

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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.