Home / 79,528.07-109,748.85-43,718.30

Finding the Fourth Proportional to 79,528.07, 109,748.85 and 43,718.30

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Solution

The fourth proportional to 79,528.07, 109,748.85 and 43,718.30 is: 60,331.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,528.07 : 109,748.85 = 43,718.30 : x
  2. Step 2: Convert to fraction form
    79,528.07/109,748.85 = 43,718.30/x
  3. Step 3: Cross multiply
    79,528.07x = 109,748.85 × 43,718.30
  4. Step 4: Simplify right side
    79,528.07x = 4,798,032,600.21
  5. Step 5: Solve for x
    x = 4,798,032,600.21/79,528.07
  6. Step 6: Final answer
    x = 60,331.31

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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.