Home / 80,604-111,283.08-51,973.12

Finding the Fourth Proportional to 80,604, 111,283.08 and 51,973.12

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Solution

The fourth proportional to 80,604, 111,283.08 and 51,973.12 is: 71,754.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,604 : 111,283.08 = 51,973.12 : x
  2. Step 2: Convert to fraction form
    80,604/111,283.08 = 51,973.12/x
  3. Step 3: Cross multiply
    80,604x = 111,283.08 × 51,973.12
  4. Step 4: Simplify right side
    80,604x = 5,783,728,870.81
  5. Step 5: Solve for x
    x = 5,783,728,870.81/80,604
  6. Step 6: Final answer
    x = 71,754.86

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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.