Home / 124,804.43-172,245.28-70,367.09

Finding the Fourth Proportional to 124,804.43, 172,245.28 and 70,367.09

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Solution

The fourth proportional to 124,804.43, 172,245.28 and 70,367.09 is: 97,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,804.43 : 172,245.28 = 70,367.09 : x
  2. Step 2: Convert to fraction form
    124,804.43/172,245.28 = 70,367.09/x
  3. Step 3: Cross multiply
    124,804.43x = 172,245.28 × 70,367.09
  4. Step 4: Simplify right side
    124,804.43x = 12,120,398,508.91
  5. Step 5: Solve for x
    x = 12,120,398,508.91/124,804.43
  6. Step 6: Final answer
    x = 97,115.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.