Home / 90,783.92-125,275.92-50,497.04

Finding the Fourth Proportional to 90,783.92, 125,275.92 and 50,497.04

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Solution

The fourth proportional to 90,783.92, 125,275.92 and 50,497.04 is: 69,682.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,783.92 : 125,275.92 = 50,497.04 : x
  2. Step 2: Convert to fraction form
    90,783.92/125,275.92 = 50,497.04/x
  3. Step 3: Cross multiply
    90,783.92x = 125,275.92 × 50,497.04
  4. Step 4: Simplify right side
    90,783.92x = 6,326,063,143.28
  5. Step 5: Solve for x
    x = 6,326,063,143.28/90,783.92
  6. Step 6: Final answer
    x = 69,682.64

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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.