Home / 87,752.63-131,642.64-28,574.37

Finding the Fourth Proportional to 87,752.63, 131,642.64 and 28,574.37

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Solution

The fourth proportional to 87,752.63, 131,642.64 and 28,574.37 is: 42,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,752.63 : 131,642.64 = 28,574.37 : x
  2. Step 2: Convert to fraction form
    87,752.63/131,642.64 = 28,574.37/x
  3. Step 3: Cross multiply
    87,752.63x = 131,642.64 × 28,574.37
  4. Step 4: Simplify right side
    87,752.63x = 3,761,605,503.14
  5. Step 5: Solve for x
    x = 3,761,605,503.14/87,752.63
  6. Step 6: Final answer
    x = 42,866.02

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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.