Home / 87,264.72-130,935.96-45,702

Finding the Fourth Proportional to 87,264.72, 130,935.96 and 45,702

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Solution

The fourth proportional to 87,264.72, 130,935.96 and 45,702 is: 68,573.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,264.72 : 130,935.96 = 45,702 : x
  2. Step 2: Convert to fraction form
    87,264.72/130,935.96 = 45,702/x
  3. Step 3: Cross multiply
    87,264.72x = 130,935.96 × 45,702
  4. Step 4: Simplify right side
    87,264.72x = 5,984,035,243.92
  5. Step 5: Solve for x
    x = 5,984,035,243.92/87,264.72
  6. Step 6: Final answer
    x = 68,573.36

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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.