Home / 71,713.04-107,584.08-30,160

Finding the Fourth Proportional to 71,713.04, 107,584.08 and 30,160

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Solution

The fourth proportional to 71,713.04, 107,584.08 and 30,160 is: 45,246.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,713.04 : 107,584.08 = 30,160 : x
  2. Step 2: Convert to fraction form
    71,713.04/107,584.08 = 30,160/x
  3. Step 3: Cross multiply
    71,713.04x = 107,584.08 × 30,160
  4. Step 4: Simplify right side
    71,713.04x = 3,244,735,852.80
  5. Step 5: Solve for x
    x = 3,244,735,852.80/71,713.04
  6. Step 6: Final answer
    x = 45,246.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.