Home / 90,698.48-125,158.64-50,409.92

Finding the Fourth Proportional to 90,698.48, 125,158.64 and 50,409.92

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Solution

The fourth proportional to 90,698.48, 125,158.64 and 50,409.92 is: 69,562.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,698.48 : 125,158.64 = 50,409.92 : x
  2. Step 2: Convert to fraction form
    90,698.48/125,158.64 = 50,409.92/x
  3. Step 3: Cross multiply
    90,698.48x = 125,158.64 × 50,409.92
  4. Step 4: Simplify right side
    90,698.48x = 6,309,237,029.71
  5. Step 5: Solve for x
    x = 6,309,237,029.71/90,698.48
  6. Step 6: Final answer
    x = 69,562.76

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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.