Home / 75,835.09-113,704.03-31,492.45

Finding the Fourth Proportional to 75,835.09, 113,704.03 and 31,492.45

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Solution

The fourth proportional to 75,835.09, 113,704.03 and 31,492.45 is: 47,218.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,835.09 : 113,704.03 = 31,492.45 : x
  2. Step 2: Convert to fraction form
    75,835.09/113,704.03 = 31,492.45/x
  3. Step 3: Cross multiply
    75,835.09x = 113,704.03 × 31,492.45
  4. Step 4: Simplify right side
    75,835.09x = 3,580,818,479.57
  5. Step 5: Solve for x
    x = 3,580,818,479.57/75,835.09
  6. Step 6: Final answer
    x = 47,218.49

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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.