Home / 75,218.21-112,897.78-39,705.88

Finding the Fourth Proportional to 75,218.21, 112,897.78 and 39,705.88

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Solution

The fourth proportional to 75,218.21, 112,897.78 and 39,705.88 is: 59,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,218.21 : 112,897.78 = 39,705.88 : x
  2. Step 2: Convert to fraction form
    75,218.21/112,897.78 = 39,705.88/x
  3. Step 3: Cross multiply
    75,218.21x = 112,897.78 × 39,705.88
  4. Step 4: Simplify right side
    75,218.21x = 4,482,705,704.95
  5. Step 5: Solve for x
    x = 4,482,705,704.95/75,218.21
  6. Step 6: Final answer
    x = 59,596.02

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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.