Home / 90,735.51-125,207.88-50,446.80

Finding the Fourth Proportional to 90,735.51, 125,207.88 and 50,446.80

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Solution

The fourth proportional to 90,735.51, 125,207.88 and 50,446.80 is: 69,612.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,735.51 : 125,207.88 = 50,446.80 : x
  2. Step 2: Convert to fraction form
    90,735.51/125,207.88 = 50,446.80/x
  3. Step 3: Cross multiply
    90,735.51x = 125,207.88 × 50,446.80
  4. Step 4: Simplify right side
    90,735.51x = 6,316,336,880.78
  5. Step 5: Solve for x
    x = 6,316,336,880.78/90,735.51
  6. Step 6: Final answer
    x = 69,612.62

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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.