Home / 91,574.46-126,379.20-53,343.30

Finding the Fourth Proportional to 91,574.46, 126,379.20 and 53,343.30

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Solution

The fourth proportional to 91,574.46, 126,379.20 and 53,343.30 is: 73,617.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,574.46 : 126,379.20 = 53,343.30 : x
  2. Step 2: Convert to fraction form
    91,574.46/126,379.20 = 53,343.30/x
  3. Step 3: Cross multiply
    91,574.46x = 126,379.20 × 53,343.30
  4. Step 4: Simplify right side
    91,574.46x = 6,741,483,579.36
  5. Step 5: Solve for x
    x = 6,741,483,579.36/91,574.46
  6. Step 6: Final answer
    x = 73,617.51

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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.