Home / 91,630.83-126,449.04-51,344.49

Finding the Fourth Proportional to 91,630.83, 126,449.04 and 51,344.49

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Solution

The fourth proportional to 91,630.83, 126,449.04 and 51,344.49 is: 70,854.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,630.83 : 126,449.04 = 51,344.49 : x
  2. Step 2: Convert to fraction form
    91,630.83/126,449.04 = 51,344.49/x
  3. Step 3: Cross multiply
    91,630.83x = 126,449.04 × 51,344.49
  4. Step 4: Simplify right side
    91,630.83x = 6,492,461,469.79
  5. Step 5: Solve for x
    x = 6,492,461,469.79/91,630.83
  6. Step 6: Final answer
    x = 70,854.55

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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.