Home / 57,243.20-85,864.80-50,900.90

Finding the Fourth Proportional to 57,243.20, 85,864.80 and 50,900.90

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Solution

The fourth proportional to 57,243.20, 85,864.80 and 50,900.90 is: 76,351.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,243.20 : 85,864.80 = 50,900.90 : x
  2. Step 2: Convert to fraction form
    57,243.20/85,864.80 = 50,900.90/x
  3. Step 3: Cross multiply
    57,243.20x = 85,864.80 × 50,900.90
  4. Step 4: Simplify right side
    57,243.20x = 4,370,595,598.32
  5. Step 5: Solve for x
    x = 4,370,595,598.32/57,243.20
  6. Step 6: Final answer
    x = 76,351.35

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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.