Home / 87,235.02-130,824.99-28,057.50

Finding the Fourth Proportional to 87,235.02, 130,824.99 and 28,057.50

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Solution

The fourth proportional to 87,235.02, 130,824.99 and 28,057.50 is: 42,077.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,235.02 : 130,824.99 = 28,057.50 : x
  2. Step 2: Convert to fraction form
    87,235.02/130,824.99 = 28,057.50/x
  3. Step 3: Cross multiply
    87,235.02x = 130,824.99 × 28,057.50
  4. Step 4: Simplify right side
    87,235.02x = 3,670,622,156.93
  5. Step 5: Solve for x
    x = 3,670,622,156.93/87,235.02
  6. Step 6: Final answer
    x = 42,077.39

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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.