Home / 85,350.86-127,778.37-49,703.50

Finding the Fourth Proportional to 85,350.86, 127,778.37 and 49,703.50

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Solution

The fourth proportional to 85,350.86, 127,778.37 and 49,703.50 is: 74,410.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,350.86 : 127,778.37 = 49,703.50 : x
  2. Step 2: Convert to fraction form
    85,350.86/127,778.37 = 49,703.50/x
  3. Step 3: Cross multiply
    85,350.86x = 127,778.37 × 49,703.50
  4. Step 4: Simplify right side
    85,350.86x = 6,351,032,213.30
  5. Step 5: Solve for x
    x = 6,351,032,213.30/85,350.86
  6. Step 6: Final answer
    x = 74,410.88

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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.