Home / 90,942.24-125,498.40-50,655.92

Finding the Fourth Proportional to 90,942.24, 125,498.40 and 50,655.92

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Solution

The fourth proportional to 90,942.24, 125,498.40 and 50,655.92 is: 69,904.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,942.24 : 125,498.40 = 50,655.92 : x
  2. Step 2: Convert to fraction form
    90,942.24/125,498.40 = 50,655.92/x
  3. Step 3: Cross multiply
    90,942.24x = 125,498.40 × 50,655.92
  4. Step 4: Simplify right side
    90,942.24x = 6,357,236,910.53
  5. Step 5: Solve for x
    x = 6,357,236,910.53/90,942.24
  6. Step 6: Final answer
    x = 69,904.12

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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.