Home / 112,214.25-154,858.91-61,916.49

Finding the Fourth Proportional to 112,214.25, 154,858.91 and 61,916.49

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Solution

The fourth proportional to 112,214.25, 154,858.91 and 61,916.49 is: 85,446.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,214.25 : 154,858.91 = 61,916.49 : x
  2. Step 2: Convert to fraction form
    112,214.25/154,858.91 = 61,916.49/x
  3. Step 3: Cross multiply
    112,214.25x = 154,858.91 × 61,916.49
  4. Step 4: Simplify right side
    112,214.25x = 9,588,319,842.84
  5. Step 5: Solve for x
    x = 9,588,319,842.84/112,214.25
  6. Step 6: Final answer
    x = 85,446.54

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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.