Home / 87,225.40-130,825.62-28,053.24

Finding the Fourth Proportional to 87,225.40, 130,825.62 and 28,053.24

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Solution

The fourth proportional to 87,225.40, 130,825.62 and 28,053.24 is: 42,075.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,225.40 : 130,825.62 = 28,053.24 : x
  2. Step 2: Convert to fraction form
    87,225.40/130,825.62 = 28,053.24/x
  3. Step 3: Cross multiply
    87,225.40x = 130,825.62 × 28,053.24
  4. Step 4: Simplify right side
    87,225.40x = 3,670,082,516.01
  5. Step 5: Solve for x
    x = 3,670,082,516.01/87,225.40
  6. Step 6: Final answer
    x = 42,075.85

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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.