Home / 79,182.39-109,271.84-43,372.47

Finding the Fourth Proportional to 79,182.39, 109,271.84 and 43,372.47

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Solution

The fourth proportional to 79,182.39, 109,271.84 and 43,372.47 is: 59,854.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,182.39 : 109,271.84 = 43,372.47 : x
  2. Step 2: Convert to fraction form
    79,182.39/109,271.84 = 43,372.47/x
  3. Step 3: Cross multiply
    79,182.39x = 109,271.84 × 43,372.47
  4. Step 4: Simplify right side
    79,182.39x = 4,739,389,385.38
  5. Step 5: Solve for x
    x = 4,739,389,385.38/79,182.39
  6. Step 6: Final answer
    x = 59,854.08

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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.