Home / 87,304.40-130,626.84-53,450

Finding the Fourth Proportional to 87,304.40, 130,626.84 and 53,450

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Solution

The fourth proportional to 87,304.40, 130,626.84 and 53,450 is: 79,973.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,304.40 : 130,626.84 = 53,450 : x
  2. Step 2: Convert to fraction form
    87,304.40/130,626.84 = 53,450/x
  3. Step 3: Cross multiply
    87,304.40x = 130,626.84 × 53,450
  4. Step 4: Simplify right side
    87,304.40x = 6,982,004,598
  5. Step 5: Solve for x
    x = 6,982,004,598/87,304.40
  6. Step 6: Final answer
    x = 79,973.11

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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.