Home / 75,714.19-113,498.98-28,316.43

Finding the Fourth Proportional to 75,714.19, 113,498.98 and 28,316.43

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Solution

The fourth proportional to 75,714.19, 113,498.98 and 28,316.43 is: 42,447.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,714.19 : 113,498.98 = 28,316.43 : x
  2. Step 2: Convert to fraction form
    75,714.19/113,498.98 = 28,316.43/x
  3. Step 3: Cross multiply
    75,714.19x = 113,498.98 × 28,316.43
  4. Step 4: Simplify right side
    75,714.19x = 3,213,885,922.24
  5. Step 5: Solve for x
    x = 3,213,885,922.24/75,714.19
  6. Step 6: Final answer
    x = 42,447.60

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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.