Home / 79,264.13-109,387.80-43,455.51

Finding the Fourth Proportional to 79,264.13, 109,387.80 and 43,455.51

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Solution

The fourth proportional to 79,264.13, 109,387.80 and 43,455.51 is: 59,970.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,264.13 : 109,387.80 = 43,455.51 : x
  2. Step 2: Convert to fraction form
    79,264.13/109,387.80 = 43,455.51/x
  3. Step 3: Cross multiply
    79,264.13x = 109,387.80 × 43,455.51
  4. Step 4: Simplify right side
    79,264.13x = 4,753,502,636.78
  5. Step 5: Solve for x
    x = 4,753,502,636.78/79,264.13
  6. Step 6: Final answer
    x = 59,970.42

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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.