Home / 70,309.16-96,925.79-50,131.05

Finding the Fourth Proportional to 70,309.16, 96,925.79 and 50,131.05

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Solution

The fourth proportional to 70,309.16, 96,925.79 and 50,131.05 is: 69,108.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,309.16 : 96,925.79 = 50,131.05 : x
  2. Step 2: Convert to fraction form
    70,309.16/96,925.79 = 50,131.05/x
  3. Step 3: Cross multiply
    70,309.16x = 96,925.79 × 50,131.05
  4. Step 4: Simplify right side
    70,309.16x = 4,858,991,790.85
  5. Step 5: Solve for x
    x = 4,858,991,790.85/70,309.16
  6. Step 6: Final answer
    x = 69,108.94

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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.