Home / 79,384.66-109,547.13-43,575.27

Finding the Fourth Proportional to 79,384.66, 109,547.13 and 43,575.27

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Solution

The fourth proportional to 79,384.66, 109,547.13 and 43,575.27 is: 60,131.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,384.66 : 109,547.13 = 43,575.27 : x
  2. Step 2: Convert to fraction form
    79,384.66/109,547.13 = 43,575.27/x
  3. Step 3: Cross multiply
    79,384.66x = 109,547.13 × 43,575.27
  4. Step 4: Simplify right side
    79,384.66x = 4,773,545,520.08
  5. Step 5: Solve for x
    x = 4,773,545,520.08/79,384.66
  6. Step 6: Final answer
    x = 60,131.84

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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.