Home / 91,623.32-126,438.45-50,786.76

Finding the Fourth Proportional to 91,623.32, 126,438.45 and 50,786.76

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Solution

The fourth proportional to 91,623.32, 126,438.45 and 50,786.76 is: 70,084.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,623.32 : 126,438.45 = 50,786.76 : x
  2. Step 2: Convert to fraction form
    91,623.32/126,438.45 = 50,786.76/x
  3. Step 3: Cross multiply
    91,623.32x = 126,438.45 × 50,786.76
  4. Step 4: Simplify right side
    91,623.32x = 6,421,399,214.92
  5. Step 5: Solve for x
    x = 6,421,399,214.92/91,623.32
  6. Step 6: Final answer
    x = 70,084.77

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Double scale
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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.