Home / 90,800.82-125,303.24-50,513.72

Finding the Fourth Proportional to 90,800.82, 125,303.24 and 50,513.72

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Solution

The fourth proportional to 90,800.82, 125,303.24 and 50,513.72 is: 69,707.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,800.82 : 125,303.24 = 50,513.72 : x
  2. Step 2: Convert to fraction form
    90,800.82/125,303.24 = 50,513.72/x
  3. Step 3: Cross multiply
    90,800.82x = 125,303.24 × 50,513.72
  4. Step 4: Simplify right side
    90,800.82x = 6,329,532,280.22
  5. Step 5: Solve for x
    x = 6,329,532,280.22/90,800.82
  6. Step 6: Final answer
    x = 69,707.88

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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.