Home / 91,743.74-126,607.25-50,908.80

Finding the Fourth Proportional to 91,743.74, 126,607.25 and 50,908.80

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Solution

The fourth proportional to 91,743.74, 126,607.25 and 50,908.80 is: 70,254.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,743.74 : 126,607.25 = 50,908.80 : x
  2. Step 2: Convert to fraction form
    91,743.74/126,607.25 = 50,908.80/x
  3. Step 3: Cross multiply
    91,743.74x = 126,607.25 × 50,908.80
  4. Step 4: Simplify right side
    91,743.74x = 6,445,423,770.85
  5. Step 5: Solve for x
    x = 6,445,423,770.85/91,743.74
  6. Step 6: Final answer
    x = 70,254.64

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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.