Home / 91,532.08-126,314.58-51,245.92

Finding the Fourth Proportional to 91,532.08, 126,314.58 and 51,245.92

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Solution

The fourth proportional to 91,532.08, 126,314.58 and 51,245.92 is: 70,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,532.08 : 126,314.58 = 51,245.92 : x
  2. Step 2: Convert to fraction form
    91,532.08/126,314.58 = 51,245.92/x
  3. Step 3: Cross multiply
    91,532.08x = 126,314.58 × 51,245.92
  4. Step 4: Simplify right side
    91,532.08x = 6,473,106,861.51
  5. Step 5: Solve for x
    x = 6,473,106,861.51/91,532.08
  6. Step 6: Final answer
    x = 70,719.54

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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.