Home / 74,669.56-111,965.45-35,216.08

Finding the Fourth Proportional to 74,669.56, 111,965.45 and 35,216.08

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Solution

The fourth proportional to 74,669.56, 111,965.45 and 35,216.08 is: 52,805.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,669.56 : 111,965.45 = 35,216.08 : x
  2. Step 2: Convert to fraction form
    74,669.56/111,965.45 = 35,216.08/x
  3. Step 3: Cross multiply
    74,669.56x = 111,965.45 × 35,216.08
  4. Step 4: Simplify right side
    74,669.56x = 3,942,984,332.48
  5. Step 5: Solve for x
    x = 3,942,984,332.48/74,669.56
  6. Step 6: Final answer
    x = 52,805.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.