Home / 90,992.34-125,539.83-50,698.35

Finding the Fourth Proportional to 90,992.34, 125,539.83 and 50,698.35

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Solution

The fourth proportional to 90,992.34, 125,539.83 and 50,698.35 is: 69,947.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,992.34 : 125,539.83 = 50,698.35 : x
  2. Step 2: Convert to fraction form
    90,992.34/125,539.83 = 50,698.35/x
  3. Step 3: Cross multiply
    90,992.34x = 125,539.83 × 50,698.35
  4. Step 4: Simplify right side
    90,992.34x = 6,364,662,240.28
  5. Step 5: Solve for x
    x = 6,364,662,240.28/90,992.34
  6. Step 6: Final answer
    x = 69,947.23

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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.