Home / 91,740.74-126,609.85-50,908.70

Finding the Fourth Proportional to 91,740.74, 126,609.85 and 50,908.70

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Solution

The fourth proportional to 91,740.74, 126,609.85 and 50,908.70 is: 70,258.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,740.74 : 126,609.85 = 50,908.70 : x
  2. Step 2: Convert to fraction form
    91,740.74/126,609.85 = 50,908.70/x
  3. Step 3: Cross multiply
    91,740.74x = 126,609.85 × 50,908.70
  4. Step 4: Simplify right side
    91,740.74x = 6,445,542,964.49
  5. Step 5: Solve for x
    x = 6,445,542,964.49/91,740.74
  6. Step 6: Final answer
    x = 70,258.24

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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.