Home / 87,262.32-120,418.78-53,327.58

Finding the Fourth Proportional to 87,262.32, 120,418.78 and 53,327.58

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Solution

The fourth proportional to 87,262.32, 120,418.78 and 53,327.58 is: 73,590.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,262.32 : 120,418.78 = 53,327.58 : x
  2. Step 2: Convert to fraction form
    87,262.32/120,418.78 = 53,327.58/x
  3. Step 3: Cross multiply
    87,262.32x = 120,418.78 × 53,327.58
  4. Step 4: Simplify right side
    87,262.32x = 6,421,642,123.95
  5. Step 5: Solve for x
    x = 6,421,642,123.95/87,262.32
  6. Step 6: Final answer
    x = 73,590.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.