Home / 68,770.08-94,903.58-38,561.92

Finding the Fourth Proportional to 68,770.08, 94,903.58 and 38,561.92

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Solution

The fourth proportional to 68,770.08, 94,903.58 and 38,561.92 is: 53,215.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,770.08 : 94,903.58 = 38,561.92 : x
  2. Step 2: Convert to fraction form
    68,770.08/94,903.58 = 38,561.92/x
  3. Step 3: Cross multiply
    68,770.08x = 94,903.58 × 38,561.92
  4. Step 4: Simplify right side
    68,770.08x = 3,659,664,259.67
  5. Step 5: Solve for x
    x = 3,659,664,259.67/68,770.08
  6. Step 6: Final answer
    x = 53,215.94

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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.