Home / 79,235.28-109,345.65-43,424.53

Finding the Fourth Proportional to 79,235.28, 109,345.65 and 43,424.53

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Solution

The fourth proportional to 79,235.28, 109,345.65 and 43,424.53 is: 59,926.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,235.28 : 109,345.65 = 43,424.53 : x
  2. Step 2: Convert to fraction form
    79,235.28/109,345.65 = 43,424.53/x
  3. Step 3: Cross multiply
    79,235.28x = 109,345.65 × 43,424.53
  4. Step 4: Simplify right side
    79,235.28x = 4,748,283,458.79
  5. Step 5: Solve for x
    x = 4,748,283,458.79/79,235.28
  6. Step 6: Final answer
    x = 59,926.38

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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.