Home / 87,418.95-130,846.44-45,241.01

Finding the Fourth Proportional to 87,418.95, 130,846.44 and 45,241.01

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Solution

The fourth proportional to 87,418.95, 130,846.44 and 45,241.01 is: 67,715.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,418.95 : 130,846.44 = 45,241.01 : x
  2. Step 2: Convert to fraction form
    87,418.95/130,846.44 = 45,241.01/x
  3. Step 3: Cross multiply
    87,418.95x = 130,846.44 × 45,241.01
  4. Step 4: Simplify right side
    87,418.95x = 5,919,624,446.27
  5. Step 5: Solve for x
    x = 5,919,624,446.27/87,418.95
  6. Step 6: Final answer
    x = 67,715.57

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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.