Home / 79,033.52-109,172.76-63,230.96

Finding the Fourth Proportional to 79,033.52, 109,172.76 and 63,230.96

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Solution

The fourth proportional to 79,033.52, 109,172.76 and 63,230.96 is: 87,343.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,033.52 : 109,172.76 = 63,230.96 : x
  2. Step 2: Convert to fraction form
    79,033.52/109,172.76 = 63,230.96/x
  3. Step 3: Cross multiply
    79,033.52x = 109,172.76 × 63,230.96
  4. Step 4: Simplify right side
    79,033.52x = 6,903,098,420.65
  5. Step 5: Solve for x
    x = 6,903,098,420.65/79,033.52
  6. Step 6: Final answer
    x = 87,343.93

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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.