Home / 85,091.56-127,613.86-45,056.24

Finding the Fourth Proportional to 85,091.56, 127,613.86 and 45,056.24

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Solution

The fourth proportional to 85,091.56, 127,613.86 and 45,056.24 is: 67,571.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,091.56 : 127,613.86 = 45,056.24 : x
  2. Step 2: Convert to fraction form
    85,091.56/127,613.86 = 45,056.24/x
  3. Step 3: Cross multiply
    85,091.56x = 127,613.86 × 45,056.24
  4. Step 4: Simplify right side
    85,091.56x = 5,749,800,703.49
  5. Step 5: Solve for x
    x = 5,749,800,703.49/85,091.56
  6. Step 6: Final answer
    x = 67,571.93

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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.