Home / 90,945.14-125,507.43-52,704.77

Finding the Fourth Proportional to 90,945.14, 125,507.43 and 52,704.77

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Solution

The fourth proportional to 90,945.14, 125,507.43 and 52,704.77 is: 72,734.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,945.14 : 125,507.43 = 52,704.77 : x
  2. Step 2: Convert to fraction form
    90,945.14/125,507.43 = 52,704.77/x
  3. Step 3: Cross multiply
    90,945.14x = 125,507.43 × 52,704.77
  4. Step 4: Simplify right side
    90,945.14x = 6,614,840,231.44
  5. Step 5: Solve for x
    x = 6,614,840,231.44/90,945.14
  6. Step 6: Final answer
    x = 72,734.40

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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.