Home / 90,797.80-125,267.12-56,793.37

Finding the Fourth Proportional to 90,797.80, 125,267.12 and 56,793.37

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Solution

The fourth proportional to 90,797.80, 125,267.12 and 56,793.37 is: 78,353.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,797.80 : 125,267.12 = 56,793.37 : x
  2. Step 2: Convert to fraction form
    90,797.80/125,267.12 = 56,793.37/x
  3. Step 3: Cross multiply
    90,797.80x = 125,267.12 × 56,793.37
  4. Step 4: Simplify right side
    90,797.80x = 7,114,342,073.39
  5. Step 5: Solve for x
    x = 7,114,342,073.39/90,797.80
  6. Step 6: Final answer
    x = 78,353.68

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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.