Home / 87,247.32-130,858.38-28,075.32

Finding the Fourth Proportional to 87,247.32, 130,858.38 and 28,075.32

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Solution

The fourth proportional to 87,247.32, 130,858.38 and 28,075.32 is: 42,108.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,247.32 : 130,858.38 = 28,075.32 : x
  2. Step 2: Convert to fraction form
    87,247.32/130,858.38 = 28,075.32/x
  3. Step 3: Cross multiply
    87,247.32x = 130,858.38 × 28,075.32
  4. Step 4: Simplify right side
    87,247.32x = 3,673,890,893.18
  5. Step 5: Solve for x
    x = 3,673,890,893.18/87,247.32
  6. Step 6: Final answer
    x = 42,108.93

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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.