Home / 87,233.52-130,822.74-28,056

Finding the Fourth Proportional to 87,233.52, 130,822.74 and 28,056

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Solution

The fourth proportional to 87,233.52, 130,822.74 and 28,056 is: 42,075.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,233.52 : 130,822.74 = 28,056 : x
  2. Step 2: Convert to fraction form
    87,233.52/130,822.74 = 28,056/x
  3. Step 3: Cross multiply
    87,233.52x = 130,822.74 × 28,056
  4. Step 4: Simplify right side
    87,233.52x = 3,670,362,793.44
  5. Step 5: Solve for x
    x = 3,670,362,793.44/87,233.52
  6. Step 6: Final answer
    x = 42,075.14

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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.