Home / 79,437.16-109,629.75-43,634.08

Finding the Fourth Proportional to 79,437.16, 109,629.75 and 43,634.08

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Solution

The fourth proportional to 79,437.16, 109,629.75 and 43,634.08 is: 60,218.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,437.16 : 109,629.75 = 43,634.08 : x
  2. Step 2: Convert to fraction form
    79,437.16/109,629.75 = 43,634.08/x
  3. Step 3: Cross multiply
    79,437.16x = 109,629.75 × 43,634.08
  4. Step 4: Simplify right side
    79,437.16x = 4,783,593,281.88
  5. Step 5: Solve for x
    x = 4,783,593,281.88/79,437.16
  6. Step 6: Final answer
    x = 60,218.58

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1.5x scale

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.