Home / 64,104.89-96,178.70-40,385.05

Finding the Fourth Proportional to 64,104.89, 96,178.70 and 40,385.05

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Solution

The fourth proportional to 64,104.89, 96,178.70 and 40,385.05 is: 60,591.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,104.89 : 96,178.70 = 40,385.05 : x
  2. Step 2: Convert to fraction form
    64,104.89/96,178.70 = 40,385.05/x
  3. Step 3: Cross multiply
    64,104.89x = 96,178.70 × 40,385.05
  4. Step 4: Simplify right side
    64,104.89x = 3,884,181,608.44
  5. Step 5: Solve for x
    x = 3,884,181,608.44/64,104.89
  6. Step 6: Final answer
    x = 60,591.03

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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.