Home / 75,159.74-112,669.86-27,748.64

Finding the Fourth Proportional to 75,159.74, 112,669.86 and 27,748.64

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Solution

The fourth proportional to 75,159.74, 112,669.86 and 27,748.64 is: 41,597.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,159.74 : 112,669.86 = 27,748.64 : x
  2. Step 2: Convert to fraction form
    75,159.74/112,669.86 = 27,748.64/x
  3. Step 3: Cross multiply
    75,159.74x = 112,669.86 × 27,748.64
  4. Step 4: Simplify right side
    75,159.74x = 3,126,435,383.99
  5. Step 5: Solve for x
    x = 3,126,435,383.99/75,159.74
  6. Step 6: Final answer
    x = 41,597.21

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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.