Home / 113,400.68-170,070.64-34,493.72

Finding the Fourth Proportional to 113,400.68, 170,070.64 and 34,493.72

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Solution

The fourth proportional to 113,400.68, 170,070.64 and 34,493.72 is: 51,731.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,400.68 : 170,070.64 = 34,493.72 : x
  2. Step 2: Convert to fraction form
    113,400.68/170,070.64 = 34,493.72/x
  3. Step 3: Cross multiply
    113,400.68x = 170,070.64 × 34,493.72
  4. Step 4: Simplify right side
    113,400.68x = 5,866,368,099.79
  5. Step 5: Solve for x
    x = 5,866,368,099.79/113,400.68
  6. Step 6: Final answer
    x = 51,731.33

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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.