Home / 79,236.12-109,345.85-43,426.02

Finding the Fourth Proportional to 79,236.12, 109,345.85 and 43,426.02

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Solution

The fourth proportional to 79,236.12, 109,345.85 and 43,426.02 is: 59,927.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,236.12 : 109,345.85 = 43,426.02 : x
  2. Step 2: Convert to fraction form
    79,236.12/109,345.85 = 43,426.02/x
  3. Step 3: Cross multiply
    79,236.12x = 109,345.85 × 43,426.02
  4. Step 4: Simplify right side
    79,236.12x = 4,748,455,424.78
  5. Step 5: Solve for x
    x = 4,748,455,424.78/79,236.12
  6. Step 6: Final answer
    x = 59,927.91

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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.