Home / 85,500.52-128,276.70-41,114.68

Finding the Fourth Proportional to 85,500.52, 128,276.70 and 41,114.68

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Solution

The fourth proportional to 85,500.52, 128,276.70 and 41,114.68 is: 61,684.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,500.52 : 128,276.70 = 41,114.68 : x
  2. Step 2: Convert to fraction form
    85,500.52/128,276.70 = 41,114.68/x
  3. Step 3: Cross multiply
    85,500.52x = 128,276.70 × 41,114.68
  4. Step 4: Simplify right side
    85,500.52x = 5,274,055,471.96
  5. Step 5: Solve for x
    x = 5,274,055,471.96/85,500.52
  6. Step 6: Final answer
    x = 61,684.48

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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.